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.

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.

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.

When two 13-year-old girls go missing, detectives immediately turn to their digital devices for clues to where they might be.

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.

When 21-year-old Julie Ann Gonzalez suddenly goes missing, detectives investigate her puzzling digital trail to uncover the horrifying truth behind her disappearance.

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.

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.

Detectives must decode the digital to unmask the perpetrator responsible for stabbing 22-year-old Maurice Skeen during a street brawl in Albany.

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.

When police find 64-year-old nurse Athena Valentiny brutally murdered in her home, investigators follow the digital trail her killer left behind.

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.

When widow Valena Shepherd is found dead at home, police suspect foul play. Investigators follow digital clues that suggest Valena knew her killer.

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.