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For Joe Kenda, the case is finally closed.

On Aug. 21, "Homicide Hunter: Lt. Joe Kenda" began its ninth and final season on Investigation Discovery (ID).

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The true law-breaking series, which originally launched in 2011, features the 73-year-old reflecting on his many shocking cases from his 23 years with the Colorado Springs Police Section. The veteran constable is revered for having a 92 percent solve rate on the more than 350 murder cases he'southward investigated.

Joe Kenda says he is ready to say goodbye to "Homicide Hunter."

Joe Kenda says he is ready to say goodbye to "Homicide Hunter." (ID)

The no-nonsense veteran lawman told Play tricks News he'southward eager to motility on.

"I am more than than gear up to say goodbye because it was my thought," explained Kenda. "I ended this program and I informed Discovery that I would be stopping after Season ix. The reason was rather elementary. I had run out of cases, I ran out of bullets. What I have remaining are either also simple or too disgusting. Children, babies — I won't do those. The network won't practice those either. So [I don't] have plenty reasonable… presentable stories to tell on television. So it's better to get out at the top of your game than to be the athlete who played one flavour besides long."

"The reason was rather unproblematic. I had run out of cases, I ran out of bullets. What I have remaining are either besides simple or too disgusting. "

— Lt. Joe Kenda

Kenda spent 21 years catching killers in the violent crimes unit and xix of them were served as a homicide detective. During his tenure, Kenda and his team solved 356 of his 387 homicide cases, one of the highest closure rates in the country. Yet, Kenda admitted information technology wasn't ever easy to relive chilling memories of brutal slayings that nevertheless haunt him in front of cameras. Still, he said the experience was therapeutic over the years.

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Lt. Joe Kenda reveals the one case that still haunts him today.

Lt. Joe Kenda reveals the ane case that still haunts him today. (ID)

"Information technology allows me to release some of the emotions I've felt and discuss things," he said. "It becomes therapeutic for me for that reason. I've said more to that camera than I've ever said to my wife. Information technology makes me feel improve having done so, to talk near it. It doesn't go abroad, just it makes you feel better."

Kenda joined the local police department in Colorado Springs, Colo., in 1973 and retired after more than two decades as a detective in 1996, the Postal service-Gazette previously reported. He revealed that out of all the cases he's worked on and featured on the prove, at that place's i horrific story that notwithstanding shakes him to his core.

"There'southward one particular example that haunts me the most because it reminded me of the fragility of life in my own children," he said. "Very long story short, I saw a child murdered past his own male parent. Shot twice in the caput, age 5 in bed clutching a stuffed animal. The bed was a downward bending so the child bled out. He's in a river of blood and he'south wearing Mickey Mouse pajamas. My son had those pajamas. At present at the fourth dimension I saw that child, my son was 19 years former, but at that moment that was my son laying in that bed."

Equally for the cases he couldn't solve, Kenda said in that location's yet hope.

Joe Kenda says there's still hope for the few remaining cold cases he previously tackled.

Joe Kenda says there'southward notwithstanding hope for the few remaining cold cases he previously tackled. (ID)

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"Iii of them already have," said Kenda. "Out of 31, I'm down to 28. I didn't resolve those three but they've been resolved through advances in Deoxyribonucleic acid technology… Cold cases are effective to work for a number of reasons. People lose their fear of a suspect, they fall out of beloved with a doubtable, they are overcome by guilt considering they take cognition of this crime and have never told anyone. All sorts of things tin can happen."

Kenda said that out of all the killers he'due south encountered, it was the sociopath who's undoubtedly the near dangerous. According to Kenda, the simply emotion they're capable of is rage. And while sociopaths are rare, they practice exist.

"When you encounter 1, you have to put him in a cage," said Kenda. "Considering he kills [and] likes it."

Joe Kenda reveals his shocking encounter with a sociopath.

Joe Kenda reveals his shocking encounter with a sociopath. (ID)

"I met a guy, the first guy I ever encountered who killed multiple victims, was devoid of all emotion — just devoid," continued Kenda. "He is under arrest for three counts of murder in another jurisdiction. I take him brought to my location because I want to talk to him about my killing. At present you would recall he'd be pretty distressed having come into another constabulary section near some other murder. He's sitting in an interview room in handcuffs and belly chains and County Jail coveralls and he'south asleep on his forearm because he's bored."

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And in all his years catching bad guys, Kenda said in that location are three key motives that would drive someone to impale.

"When people get involved in violence, they accept a reason," he said. "It might be a completely insane reason but information technology's a reason. And they fall into three full general headline categories — coin first, sex activity adjacent, and revenge last. There are many, many subheadings under each of those headlines.

Joe Kenda says it's easy to spot a liar.

Joe Kenda says information technology's easy to spot a liar. (ID)

"Money for nonpayment, money for believed debt on and on and on. It goes on and on. Sex, the triangle, the sexual assault candidate who likes to kill his victims, huge list there. Revenge, over what? Over lost dearest, lost money, lost property, something. People accept that reason. V percent of murders are committed past people who simply like to kill people and those are the series killers, in that location're very few of those. The rest all fall into those general headline categories."

While "Homicide Hunter" may be coming to an end, don't expect Kenda to sit down back and bask retirement. He said there's a new series in development slated for the fall of 2020. Simply if there's 1 thing Kenda hopes longtime fans of the serial, likewise equally curious viewers, will get from the terminal season it's the secret behind his success in delivering closure to grieving families.

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"Conclusion," said Kenda. "That's all you need. You need an undying sense of curiosity. How did this happen? Somebody made this happen. Y'all take to turn that show in the night into somebody with a get-go, middle and final [proper name]. Information technology's swell fun. Very frustrating, but great fun."

Joe Kenda says he has always been determined to deliver justice.

Joe Kenda says he has always been adamant to deliver justice. (ID)

"Homicide Hunter" airs Wednesdays at 9 p.g. on ID.