The death of 16-year-old Skylar Neese, whose remains were found in January 2013, six months after she was reported missing from her West Virginia home. Rachel Shoaf pleaded guilty to second-degree murder, telling authorities that she and fellow teenager, Shelia Eddy, planned and carried out Neese's murder.

In Pensacola Fla., loving parents are brutally gunned down in their own home, and the police must rely on surveillance cameras to catch the suspected killers and bring them to justice.

A husband and respected businessman vanishes after a meeting. Meanwhile a young mother doesn't come back from her job search. Cops can only rely on one witness-one that never lies-surveillance cameras.

Pensacola Police investigate the disappearance of popular news reporter Sean Dugas, and find themselves drawn into an addictive world of gaming. Meanwhile, across state a mother vanishes after a family party and a neighbour's CCTV reveals a shocking tale of murder and betrayal.

Police officer Christopher Dorner goes on a shooting rampage in retaliation for his termination from the Los Angeles Police Department.

The hunt for 18-year-old Kelsey Smith, who disappeared from a Kansas Mall in June 2007. The only clue detectives had was the haunting final images of her on surveillance video. The case turned into a murder investigation when Kelsey's body was recovered from a lake in Missouri a month later.