Deleting a file on a computer rarely means it is gone. On traditional hard drives and many solid-state drives, what ...

The tool gained prominence in criminal investigations in 2018, when police used it to identify the Golden State Killer, who ...

These articles describe how new forensic and DNA technologies have helped investigators resolve long-unsolved cases. Each story shows law enforcement reopening cold cases as tools improved.

A man claiming to be an Iranian intelligence officer promised me he’d reveal his country’s secrets. But first he had a game ...

Records show Dallas police are using a powerful facial recognition tool in serious felony cases. Now they're considering it ...