Identifying the Idaho Killer

The New York Times has a long article on the investigative techniques used to identify the person who stabbed and killed four University of Idaho students. Pay attention to the techniques: The case has shown the degree to which law enforcement investigators have come to rely on the digital...

A Brutal Murder, a Wearable Witness, and an Unlikely Suspect

Karen Navarra was a quiet woman in her sixties who lived alone. She was found beaten to death. The neighbors didn't see anything. But her Fitbit did...

Daphne Caruana Galizia's Murder and the Security of WhatsApp

Daphne Caruana Galizia was a Maltese journalist whose anti-corruption investigations exposed powerful people. She was murdered in October by a car bomb. Galizia used WhatsApp to communicate securely with her sources. Now that she is dead, the Maltese police want to break into her phone or the app...