Detectives hunting wealthy scientist Walter Sartory believe he has been kidnapped and being held hostage for his fortunes. Chris Hansen discovers that 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 then discover Stephen made a call just before he was murdered. Chris tracks down the person Stephen called who reveals the identity of the killer.
In Longmont, CO, Tammy Tatum is brutally murdered in her apartment with her one year old daughter Sadie present. Sadie, now 24, reveals to Chris Hansen the shocking truth that the killer was someone she had known all her life.
College Senior, Susannah Chase had everything to live for but just a few days before Christmas, she was brutally murdered only yards from her home. Chris Hansen travels to Boulder, CO, and discovers the shocking truth behind her murder.
Poker club owner Paul Horn is gunned down. 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?
After being terrorized 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. However, Chris Hansen discovers there is much more to this story than meets the eye.
The tortured body of David Campbell is found floating in a pond in Illinois. Chris Hansen explores all 3 of the true tried and tested motives for murder; love, money, and revenge, before revealing the horrifying and shocking truth.
The disappearance of Hannah Hill in 1999 in Akron, Ohio would take nearly 13 years of investigation, before her family finally get 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.
The mysterious death of an antiques dealer in Henrico, Virginia turns into 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.