An overlooked clue would help police find the person responsible for murdering 18-year-old Brittney Gargol and leaving her body in the remote outskirts of Saskatoon, Canada.
A man and his parents were arrested in connection to the murder of 31-year-old student Ashley Young following a grisly find in a Grand Rapids apartment.
The 2007 disappearance of Irina Malezhik led to the arrest of Dmitriy Yakovlev, who was suspected of the 2005 murder of Viktor Alekseyev and the 2003 disappearance of Michael Klein.
A teaching assistant at the University of Illinois gave horrific details as to how he murdered YingYing Zhang just months after she arrived in America to further her education.
Fresh eyes would help the N.Y.P.D. and state police investigators find a man suspected of the 2000 and 2005 murders of Dora Almontaser and Angel Serbay, respectively.
Surveillance video helped police learn more about the 2017 disappearance of Julia Jacobson, including when their prime suspect visited multiple stores to produce "a murder kit."
Investigators wondered if the motive behind Jonathan Levin's homicide was connected to the victim's incredibly wealthy father, until a message left on an answering machine led them closer to the truth.