Killer Instinct with Chris Hansen

The body of Daavid Campbell is found tortured, strangled and floating in a pond in Illinois. Chris Hansen explores three motives for the murder: love, money and revenge. Soon, the horrifying and shocking truth is revealed.

The mysterious death of an antiques dealer in Henrico, Virginia leads detectives on a case that would span nearly 20 years. Chris Hansen follows a twisting trail of forensic evidence, potential suspects, and multiple confessions to find the killer.

The tragic 1999 disappearance investigation of Hannah Hill in in Akron, Ohio spans nearly 13 years before her family gets justice. Chris Hansen discovers it was a heart-breaking case of a young woman's trust - betrayed.

The body of 20-year-old Sophia Arnold is found on the banks of the Mississippi River. Police interview two men whose stories don't match up. Chris Hansen unfolds the horrific truth... and discovers which one of them murdered Sophia - and why.

After being terrorized and threatened by a friend's partner, Susan Bauer is found murdered in her own home. It appears to be an open and shut case for detectives. Chris Hansen discovers, however, there is much more to this story than first meets the eye.

Poker club owner Paul Horn is gunned down in his apartment. He made some deadly enemies and detectives reveal four suspects, all with the opportunity to murder Paul. Chris Hansen investigates which one took the ultimate gamble and pulled the trigger.

College senior Susannah Chase had everything to live for... but just a few days before Christmas, she was brutally attacked only yards from her home. Chris Hansen travels to Boulder, CO to discover the shocking truth behind her murder.

Detectives searching for wealthy scientist Walter Sartory believe he's been kidnapped and is being held hostage for his fortunes. Chris Hansen discovers investigators were in a race against time to find Walter before it was too late.

The brutal shooting of Stephen Perret looks like a mob hit. Police have little evidence but soon discover Stephen made a call just before he was murdered. Chris tracks down the person Stephen to reveal the identity of the killer.

Colorado mom Tammy Tatum is brutally murdered right beside her one-year-old daughter, Sadie. Now 24, Sadie reveals to Chris Hansen the shocking truth -- the killer was someone she knew her entire life.