Koepp charged in triple murder
Photo
JANESVILLE A year to the day after the worst crime in Rock County history, the sole suspect—James C. Koepp—was charged with the murders of Danyetta Lentz and her two teenage children, Nicole and Scott.
Rock County District Attorney David O’Leary this morning filed three charges of first-degree intentional homicide against Koepp, 48, who is an inmate at Columbia Correctional Institution in Portage.
Koepp was arrested Jan. 17, 2007, five days after Danyetta’s father, Russ Lucht, discovered the bodies in the Lentz family mobile home just south of Janesville. But O’Leary delayed filing murder charges until today.
“At this point, I’m satisfied that we have all (the evidence) that we’re going to have from the criminal investigation,” O’Leary said when asked what he knows now that he didn’t know a month or two ago.
“Our (Wisconsin) crime lab and the crime lab out east have forwarded their reports to our office, and we have had the opportunity to review that information,” the district attorney said.
The next step in the legal process will be Koepp’s initial court appearance at 4 p.m. Thursday, Jan. 31. O’Leary anticipates that Koepp will appear by video conference from Columbia Correctional Institution.
Koepp’s attorneys can request a preliminary hearing within 10 days of his initial appearance to determine if there is enough evidence to conclude that he probably committed the crimes.
They can waive the time limit or the hearing altogether.
Further hearings will be scheduled after Koepp’s initial appearance.
On March 30, he was sentenced to four years in prison on convictions for first-degree recklessly endangering safety and third-offense drunken driving. The charges resulted from a chase he led deputies on when he was supposed to be talking to detectives about the Lentz killings.
Many observers think the prison sentence alleviated the case’s sense of urgency for both O’Leary and the crime lab analysts who were in Madison and a lab on the East Coast.
Others think the prison sentence gave the prosecutor and labs time to do thorough tests and review of the massive amount of potential evidence in the case.
His office has a heavy workload, O’Leary said, and December was particularly busy because he and his staff dealt with several high-profile cases in a month whose work days were shortened by the holidays.
O’Leary would not comment further on the case.
In a news release, he cited Supreme Court rules that prohibit a district attorney from making statements to the media outside of court that have a good chance of prejudicing the case.
The bans include statements on “the results of any examination or test or the nature of physical evidence expected to be presented,” according to O’Leary’s news release.
Timeline
The chronology of events in the worst murder case in Rock County history:
Jan. 12, 2007: Russ Lucht discovers the bodies of his daughter and grandchildren-Danyetta, Nicole and Scott Lentz-in their mobile home in Janesville Terrace, 3315 S. Highway 51, Janesville.
Rock County deputies and detectives seal off the crime scene and call for help from the Wisconsin State Crime Laboratory, which sends a mobile crime lab and its own investigators.
Authorities think the Lentzes were murdered the night before.
Jan. 15: Detectives interview James C. Koepp, a neighbor of the Lentzes.
Koepp is a registered sex offender. He served prison time for a 1982 assault in Dane County in which he forced two women at knifepoint to perform sex acts, including intercourse with him.
Jan 16: Koepp is supposed to talk to detectives again. Instead, he leads deputies on a wild car chase that stops only when his vehicle runs over spiked stop sticks and he is confronted by a moving roadblock that hems him in.
When he is stopped, Koepp, extremely upset and crying, tells deputies: "I just wanted to say goodbye to my wife. … I didn't mean to kill anyone. … Why are you worried about a drunk driving when you are pinning three murders on me?" according to a criminal complaint filed against him three days later.
That complaint charged Koepp with knowingly fleeing an officer, first-degree reckless endangerment, third-offense drunken driving and third-offense driving with a prohibited alcohol concentration.
Bond is set at $60,000 cash.
Jan. 17: Sheriff Bob Spoden announces Koepp's arrest on the chase charges and his arrest on suspicion of the triple homicide. District Attorney David O'Leary says he will charge Koepp with the murders a couple of days later.
Jan. 19: O'Leary files the chase charges but balks at filing the murder charges. The DA says he does not yet have enough evidence to prove Koepp's guilt beyond a reasonable doubt.
Spoden sticks to his guns that Koepp is the sole suspect.
Feb. 9: Sheriff's deputies begin collecting DNA samples from other men in Janesville Terrace, sparking speculation that they are looking for another suspect. Cmdr. Tom Gehl explains a couple of weeks later that it's a routine part of the investigation.
Authorities gather the samples in case it's necessary to explain male DNA other than Koepp's in the Lentz home.
Feb. 11: The Janesville Gazette publishes excerpts from Koepp's probation and parole records. His attorneys seek a court order to seal his records.
Feb. 22: Judge Alan Bates rules that the records will remain open.
March 16: Spoden announces the investigation is essentially done. O'Leary says the investigation is not over and he still is awaiting more crime lab reports.
March 30: Koepp pleads guilty to first-degree recklessly endangering safety and third-offense drunken driving in exchange for dismissal of the other two chase charges.
Bates sentences Koepp to four years in prison and five years of extended supervision.
July 12: Koepp's wife, Nancy, files for divorce. She says the reason is that her husband was having an affair with Danyetta, a claim that was suggested earlier by comments of Koepp reported in court documents.
Authorities think Koepp's claim of an affair with Danyetta was a ruse to explain why his DNA was in the Lentz trailer and on Danyetta's body. Her relatives vehemently deny any intimate relationship between Danyetta and Koepp.
Nov. 3: O'Leary remains publicly mum on the case. Spoden remains convinced his detectives arrested the right suspect.
A crime lab somewhere on the East Coast is analyzing a potentially crucial piece of evidence. O'Leary still doesn't have the final report from the Wisconsin State Crime Laboratory.
Koepp sits in prison.
Sometime in late November or early December: All lab reports have been sent to Rock County authorities. O'Leary and Spoden meet with Wisconsin State Crime Laboratory officials and analysts to review the reports.
Several high-profile cases consume O'Leary and other staff members' time in a month with fewer work days because of the holidays.
Today, Jan. 11, 2008: One year to the day after the Lentzes were killed, O'Leary charges Koepp with three counts of first-degree intentional homicide. Koepp's initial court appearance is scheduled for Jan. 31.
Click here to read article on the criminal complaint
Click here to read the District Attorney's press release regarding the charges filed


Oct 17, 2008 at 10:50 a.m.
Jan 17, 2008 at 1:11 p.m.
Suggest removal
I have just read all the posts here and amazed at the different ideas most of you have. When I read the official charges I was shock and horrified. My roommates wanted to take the papers I was reading from me because I was loosing it. I am with my sister, Stephanie, that I want him in prison to live out his life thinking about what he has done, killing him will only let him get off easy in this life. I seem to recall a statement I heard that the DA wanted to be able to try this case the old fashioned way if they were not able to use the DNA. I have nothing but praise for the Rock County Sherriff. He went very slow and methodically. Furthermore, I am not too sure if any of you realize that the police had collected over 177 pieces of evidence and some of them were sent out East to be examined. They only received these items, well, last week. It looks as soon as the Sherriff received these pieces of evidence he filed the charges. There is more peace in my heart now that the Sherriff has officially charge James Koepp of these murders. I would like to remind people that in America you are innocent until proven guilty. If he did do this horrendous deed then he deserves the harshest penalty the law allows.
Jan 15, 2008 at 9:55 a.m.
Suggest removal
JCK and ihavealife: I agree with you both! If it took that long to get it right, then so be it. I'm sure the Lentz family would rather have a conviction than a not guilty verdict. I too think he is the sole assailant. There are plenty of details to this case that have not been made public. If he's not the sole assailant, now that he's been formally charged, maybe he will talk! Stephanie: I am very sorry for your family's loss. I knew your sister Kimberly years back. Like someone else said in a post, may you again be able to find joy, peace and happiness in your life! Sounds like you have the whole city of Janesville in your corner!
Jan 14, 2008 at 7:09 p.m.
Suggest removal
If we had the death penalty, I would volunteer to flip the switch on this guy. (assuming he is guilty that is) On the other hand, maybe it would be better if the current residents of our penal institutions gave him a lifetime of prison justice....
Jan 14, 2008 at 2:05 p.m.
Suggest removal
I do beleive one man did this{james koepp}My sister was no fighter,but that day she was murdered the detectives told us she fought one hell of a fight.DNA will show it was him.According to the times of that day, i beleive my neice and nephew were murdered first.How can you defend yourself when you don't exspect the worst or never been in a violent sitiuation? They were caring people.I guess we will all see when this tragety is over.As far as koepp's wife goes, that's a joke! Anything to make herself look better.
Jan 14, 2008 at 1:29 p.m.
Suggest removal
I don't know why it's taken a year for charges to be brought and I sympatize with family having to wait. But he's been in jail and wasn't going anywhere. If it took that long, it took that long. O'Leary sounds confident that he has what he needs to get a conviction and that's the most important thing.
As far as the death penalty goes I'm not in favor of that.
Jan 14, 2008 at 1:12 p.m.
Suggest removal
grumpy gills: Thank you for being courageous and sharing your story.
"thats what you get when you drink alcohol.." sometimes we have to look at the wisdom of a child to reveal the truth.
now that I have read the criminal complaint, I am a little perturbed at the length of time it took to get these results published. I am hoping they have the right perp.
On the death penalty- I think the possibility of executing an innocent citizen is too high to justify death. It is proven it is actually much more expensive (with legal fees) to put someone to death then to imprison them for life.
Jan 14, 2008 at 12:54 p.m.
Suggest removal
I beleive no one should judge but God.I guess it would be better if he could be executed but our family wants to see this man rott every day in prison thinking about what he did!!!Death to this man would be to easy for him,he's already in hell.
Jan 13, 2008 at 8:20 p.m.
Suggest removal
All I can say is i dont understand why it took a year to charge him with murder. I only wish that wisconsin had the death penalty, a guy that can do that to such a wondeful family doesnt deserve to get to live. (just my opinion) I am just glad they finally charged him! Now the family and friends have some relief.
Jan 13, 2008 at 3:02 p.m.
Suggest removal
I Hope Justice is served and he get what he derserves.
Jan 13, 2008 at 1:05 p.m.
Suggest removal
"an eye for an eye."
An eye for an eye can leave the whole world blind.
Yes, this man Koepp has some heavy accusations and charges to answer for. Yes, the Lentz family deserves some closure. I just can't believe people are so quick to condemn. Capital punishment doesn't change anything. It makes the person who throws the switch or releases the gas or IV poison just as much a killer as the person convicted of killing and it doesn't bring the victims back.
Jan 12, 2008 at 10:14 a.m.
Suggest removal
JohnZ: clearly you are not the sharpest tool in the chest, so let me explain a few things to you. Firstly, Mr. Koepp was registered in Rock County at the residence he was living at when the murders happened. All you have to do is check the registry web site. Secondly, Mr. Koepp was off of supervision when the murders occurred. DOC has no authority over people no longer on supervision. So, DOC would have absolutely no responsibility to protect the community from this person. Actually, I recall from previous reported information that when Mr. Keopp was on parole supervision, he was revoked twice by DOC for home intrusion and sexually motivated type violations. How come the DA never prosecuted him? Perhaps he could have still been in prison and the murders would have never occurred. Seems to me that DOC is the only one who did anything. Seems to me that someone else dropped the ball? Obviously, you are a criminal who seems to blaming everyone else (DOC, DA etc.) for your situation.
Jan 12, 2008 at 2:14 a.m.
Suggest removal
Koepp just looks so scrappy. I can't believe he did it by himself. How.
Jan 12, 2008 at 2:09 a.m.
Suggest removal
Wow ... the criminal complaint certainly makes for chilling reading. It will be interesting to hear witness testimony from both the prosecution and the defense regarding the blood DNA.
Jan 12, 2008 at 1:03 a.m.
Jan 12, 2008 at 12:32 a.m.
Suggest removal
this is one time we should have the death penalty. dont let him live any more life . the lentzs didnt get to live their life. an eye for an eye.
Jan 11, 2008 at 6:45 p.m.
Suggest removal
MY THOUGHTS TONIGHT LAY WITH THE LENTZ FAMILY, I ONLY HOPE THAT JUSTICE IS FOUND. MAY GOD BE WITH YOUR FAMILY.
Jan 11, 2008 at 6:16 p.m.
Suggest removal
My thoughts have always been that he was holding one of the vicitms, threatening to harm them if anyonut tried to run. But I do remember hearing that there may have been evidence to the fact that Scott had gotten near the door. I truly and faithfully hope, for the families sake, that this a quick and just trial and conviction. Unfortunately, they are going to have to relive this each day they sit in the courtroom and hear the evidence and see the photos. May they find the grace of God and may He get them through the rest of their rough days ahead!
Jan 11, 2008 at 6:05 p.m.
Suggest removal
I'm a sophmore at Parker High School. Last year when they got murdered I was freshman. It was really hard for us Parker when we all heard about what happened. Most students left classes to go and talk to someone about what had happened. I had Nicole in my Choir class. It was hard for my Choir class. One day she was there and then the next day she wasn't. I'm glad that the guy was charged for murdering them. He deserves to be put behind bars for what he did. How would he like it if someone came into his home and murdered his family? So thats what he gets if hes going to drink alcohol. Alcohol makes it so you don't think clearly. But it's really hard to be at school the day before they got mrdered. Most of my friends didn't go today. I wouldn't blame them.
Jan 11, 2008 at 4:51 p.m.
Suggest removal
I thought that I read that Charles Manson was put in the hole in California State Prison 20 days ago. Check out Koepp's photo.
Jan 11, 2008 at 4:43 p.m.
Suggest removal
I as well do not see how one person did this. It is really hard to believe that one of them could not run for help, if it was only one person.
I have alot of questions about this.
The guy is no saint, but a drunk does not a murderer make.
A creep does not a murderer make.
They focused in on him from the beginning and never gave any serious thought to anyone else.
I hope they got the right guy.
I just don't see ONE person killing all three.
I wonder if there could be a second person involved.
Jan 11, 2008 at 4:23 p.m.
Suggest removal
ski1357, if you think there is a death penalty in Wisconsin you are mistaken. There may have been a referendum but it did not pass. And it was only "advisary" anyway.
Jan 11, 2008 at 4:20 p.m.
Suggest removal
jvlmomof2 "When they have DNA that matches, I consider that very good evidence!"
Just a thought, but how do you think they will explain all of the OTHER DNA found in the trailer?
Jan 11, 2008 at 4:12 p.m.
Suggest removal
pigbrain; ya, right.
Jan 11, 2008 at 4:09 p.m.
Suggest removal
Ddoright. I thought there was a referendum last year to re-enact the death penalty when DNA evidence was used to convict. Time to make him the first.
Jan 11, 2008 at 4:02 p.m.
Suggest removal
mollyd5.....
if you go up to the Court House Clerk of Courts Office you can view the file and read the criminal complaint and see exactly what evidence they have! When they have DNA that matches, I consider that very good evidence!
Jan 11, 2008 at 4 p.m.
Suggest removal
Read second article.
This was about as difficult as a murder case/crime scene can get.
Your local SD handled it as good as any other department could have.
Jan 11, 2008 at 2:33 p.m.
Suggest removal
Don't get me wrong I do hope there is enough DNA evidence to put Koepp away for the rest of his life and that the Lentz family can have closure to this horrible tragedy. I just don't want this to end up like the OJ Simpson case where there was not enough evidence to convict.
Jan 11, 2008 at 2:19 p.m.
Suggest removal
I agree with some of you. From the very beginning of this case I have had my doubts and have had a lot of questions on how just one person can stab 3 people several times and then go back and strangle each one. If they had been drugged somehow, we would have known that after the autopsy's were done. I also question the prison time Koepp received for his drunk driving. There have been cases where a person eludes a police officer, drives recklessly and is busted for drunk driving and having an alcohol content more than .08 and none of them got 4 years prison and 5 years extended even on a 3rd DWI charge. I thought that was way excessive. I also question their reason of doing DNA testing of all the male residents in the trailer park. This leads me to believe that the police were not sure whether Koepp committed the murders or not. I also question Koepp's now ex wife, if she knew he was having an affair with Danyetta then why was she not a suspect, you know jealous wife goes ballistic type theory. I do hope that there is enough evidence to convict, but I too have a bad feeling.
Jan 11, 2008 at 2:14 p.m.
Suggest removal
After reading comments by people on the Gazette blogs it's no wonder why we place badly in scholastic tests. Reading comprehension waved bye bye to people long ago.
First off it was not the JPD but the Rock County Sheriffs dept. that caught him.
Second, Koepp stated "I didn't mean to kill anyone" after he led deputies on a car chase and was caught, not over the phone.
Thirdly, Wisconsin does not have the death penalty and has not had it since 1853.
Jan 11, 2008 at 1:48 p.m.
Suggest removal
I work in the court system and the DA would not have pressed charges if he did not have sufficient evidence!
Jan 11, 2008 at 1:37 p.m.
Suggest removal
If he didn't do it then why would he cry into the phone saying "I didn't mean to kill anyone". Looks like they have the guilty one.
I hope they give him the death sentance. Eye for an eye. Tooth for a tooth.
Jan 11, 2008 at 12:42 p.m.
Suggest removal
The implication is that there will be no eye-witnesses, which means that there are no accomplises that would become eye-witnesses.
Jan 11, 2008 at 12:26 p.m.
Suggest removal
Hmmm. The cop said he was convinced they had "all the evidence they were going to have"
They DID NOT say 'We have sufficient evidence to file charges or convict Koepp"
Interesting choice of words.
Jan 11, 2008 at 12:23 p.m.
Suggest removal
i certainly hope they have the right man, im not sure what i believe anymore!! if he is the right guy then good for the jpd but if not, we as citizens of janesville need to be careful!!! god bless the lentz' family and friends and may they rest in peace!!!
Jan 11, 2008 at 11:46 a.m.
Suggest removal
I am not usually this way, but I have a bad feeling in my gut on this case. I don't see how one person, especially an active alcoholic with what appears to be a worn-out body, could stab to death three adult-sized people by himself. One person killing three people by use of a gun is a whole different story ... but this one isn't adding up for me yet. If Mr. Koepp did commit these murders, I hope the evidence is strong enough to convict him. If he didn't, I hope he is found innocent.
Jan 11, 2008 at 11:06 a.m.
Suggest removal
Took You Long Enough!!!!!!
Jan 11, 2008 at 10:19 a.m.
Suggest removal
FINALLY!!!!! Now the family can hopefully get some rest.
Jan 11, 2008 at 10:01 a.m.
Suggest removal
Yes, finally!!!
Jan 11, 2008 at 9:27 a.m.
Suggest removal
Let's hope justice is served now and can give these families some closure!
Before you post a comment, consider this:
Note: GazetteXtra.com does not condone or review every comment. Read more in our User Policy AgreementPost Comment
Commenting requires registration.