When widow Valena Shepherd is found dead at home, police suspect foul play. Investigators follow digital clues that suggest Valena knew her killer. S2/Ep7
After the murder of young mother Morgan Ashlye Fox, investigators don't have much physical evidence to go on. Digital evidence reveals the secrets of a monster. S2/Ep6
When police find 64-year-old nurse Athena Valentiny brutally murdered in her home, investigators follow the digital trail her killer left behind. S2/Ep5
When family man Ricky Saxton is found murdered, Investigators turn to a forensic data specialist at the FBI to help locate a missing piece of the puzzle. S2/Ep4
When two young men are shot dead, detectives turn to digital forensics, hoping hidden data buried in the victims' cell phones will help track down the killer. S2/Ep2
When single dad David Heisler goes missing, clues lead detectives into the desert, but the trail stops cold. Digital forensics experts to help unravel this mystery. S2/Ep1
When 12-year-old Aynis Vargas dies in a seemingly random attack, investigators piece together clues from social media, cell phone data and surveillance footage. S2/Ep8
When widow Valena Shepherd is found dead at home, police suspect foul play. Investigators follow digital clues that suggest Valena knew her killer. S2/Ep7
When police find 64-year-old nurse Athena Valentiny brutally murdered in her home, investigators follow the digital trail her killer left behind. S2/Ep5
When single dad David Heisler goes missing, clues lead detectives into the desert, but the trail stops cold. Digital forensics experts to help unravel this mystery. S2/Ep1
When two young men are shot dead, detectives turn to digital forensics, hoping hidden data buried in the victims' cell phones will help track down the killer. S2/Ep2
When police discover a missing three-year-old child dead in Haddon Township, New Jersey, they must turn to the digital evidence to pinpoint the killer. S1/Ep5
When 26-year-old Erica Crippen Crosby disappears from her home in New Jersey, detectives must follow a digital trail to uncover the truth about what happened to her. S1/Ep2
The tragic murder of a 14-year-old girl in Michigan leaves behind little physical evidence, forcing investigators to enter the digital world in search of clues. S1/Ep1
When a co-worker finds 67-year-old Karen Navarra dead in a bloody scene at her California home, the seemingly contradictory physical evidence baffles police. S1/Ep3