
S01E01 Heart Rate & Time
When a co-worker finds 67-year-old Karen Navarra dead in a bloody scene at her San Jose, California, home, the physical evidence baffles police, until they discover data from Navarra's FitBit watch to solve the brutal...
When two girls go missing, their devices hold vital clues for detectives.
Gripping true stories of investigators entering the digital world to solve a brutal murder. In each case, detectives are up against a lack of physical clues, but digital trails left behind help lead them to the killers.