
"Who, what, where, why and when?" are the essential questions at the heart of every homicide investigation – for detectives but also for journalists chasing the 360-degree story. Investigative correspondent Chris Hansen knows the routine all too well, having won eight Emmy awards for investigative reporting, outstanding coverage of a news story and outstanding coverage of breaking news. Now, in Investigation Discovery's all-new newsmagazine Killer Instinct with Chris Hansen, he brings his unrivaled journalistic skills and criminal insight to an enthralling new series, digging deep into the depths of a killer's mind and bringing life to some of America's most chilling and heart-wrenching homicide cases. Killer Instinct with Chris Hansen premieres on Monday, August 17 at 10/9c only on Investigation Discovery.

As women go missing and neighbours complain of a stench, a Cleveland community becomes the stalking ground of a notoriously brutal serial killer.

When Michigan police find a man's headless body, it launches an investigation. When one of the teen killers confesses, he blames his friend, but can he be trusted?

When an expectant mother is found murdered, online clues lead police to every patient's worst nightmare: a doctor who uses his skills to kill rather than cure.

When a mother and her three daughters disappear, Detectives unravel a tale of troubled love, obsession and cold-blooded killing.

Patrick Fleming, a Vietnam veteran, is found stabbed to death. During the investigation, Seattle detectives expose a crime ring led by a Gypsy con woman.

When Michigan police find a man's headless body, it launches an investigation. When one of the teen killers confesses, he blames his friend, but can he be trusted?

Chris interviews a killer in order to understand why he and his brother kidnapped and assaulted a woman before tossing her into a river where she drowned to death.

When Sheila Davalloo becomes the ‘odd woman out' in a love triangle, she kills her rival. The case is a mystery until Sheila tries killing her husband.

They were once best buddies in a small Wyoming town. But after Bob Duke's wife and young son die in a tragic fall, it changes this friendship forever.

Detectives called the crime scene "a slaughterhouse." Matthew Hoffman killed two women and a boy in an Ohio home before kidnapping a young hostage- but why?

20-year-old Megan Barroso is heading home from a party when she disappears. Her car is found on Highway 23 - riddled by bullets. Chris Hansen investigates.

Anthony Lee is a famous drag queen in Tampa's nightclubs. While cooking dinner for his friend, he's shot dead by an intruder. Chris Hansen investigates.

Florida retiree Jean Schwarzkopf enjoys the company of younger men, so when she is found murdered in her own home, there are several suspects. What's the motive?

In Colorado, Tammy Tatum is brutally murdered right near her one-year-old daughter, Sadie. Now 24, she reveals to Chris the shocking truth about the killer.

Stephen Perret's shooting looks like a mob hit. Police have little evidence, but learn he made a call just before he was killed – but to whom? Chris finds out.

Walter Sartory's greatest fear was that someone was out to get him. In 2009, his fears came true in a way that even Walter himself could not have predicted.
Complete episode guide for Killer Instinct with Chris Hansen with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.

Young mum Ana Ceja leaves home with her baby son - and never returns. Police find her empty car and a badly burned corpse. Chris Hansen studies the shocking case.

Mike Sisco and Karen Harkness invite their parents over to celebrate their wedding, but the couple are shot dead in their bed. Chris Hansen seeks a motive.

Yale University researcher Annie Le is due to get married, but vanishes on her way to her lab, prompting a nationwide search. Chris Hansen reveals the truth.

Teenager Fred Moseley abruptly disappears and his new car is found abandoned, with his shotgun missing. Chris Hansen investigates a mystery that lasted ten years.

Jesse Whitley is a small-time scoundrel whose body is found floating in a river. Police have a list of suspects, but it takes 17 years to uncover the truth.

Josh Bailey has carved out a decent life for himself, despite his disabilities. But after he disappears, his parents fear he's fallen in with the wrong crowd.

When Jim Madonna is found shot to death in his own car, all of Taunton, MA is shocked. Chris Hansen reveals a grim holiday tale of murder and betrayal.

Promising college senior, Susannah Chase, is brutally attacked near her home just before Christmas. Chris learns the shocking truth behind her murder.

Poker club owner, Paul Horn, is gunned down in his apartment. Detectives reveal four potential suspects but Chris investigates which one pulled the trigger.

After being terrorised and threatened by a friend's partner, Susan Bauer is found dead in her own home. Chris reveals the truth behind her horrific murder.

Sophia Arnold's body is found at the Mississippi River, where police interview two men whose stories don't match up. Chris unfolds the horrific truth of her murder.

When Hannah Hill went missing in 1999, it sparked a tragic chain of events spanning 13 years. Chris discovers the heart-breaking truth behind her disappearance.

20 years after the death of an antiques dealer, the killer is still unknown. Chris re-examines forensic evidence and potential suspects to uncover what happened.

The body of David Campbell is found tortured and floating in a pond in Illinois. Chris explores three motives for the murder – love, money, and revenge.