A digital forensics expert breaks down how the FBI recovered deleted Signal messages from an iPhone in a federal terrorism case, why Signal's encryption was not the weak link, and the one notification ...

Nancy Guthrie's disappearance investigation deepens as blood spatter evidence suggests the 84-year-old may have been alive ...

Despite the suspect having removed the entire app, FBI forensic experts were still able to find Signal messages. They used a ...

TUCSON, Ariz. — As the Nancy Guthrie case enters week three, investigators and the public are awaiting potentially pivotal DNA results tied to a glove recovered near the scene. But according to ...

FBI recovered deleted Signal messages from an iPhone by extracting notification data stored internally, highlighting how lock ...

Add Yahoo as a preferred source to see more of our stories on Google. Investigators canvass Annie Guthrie's neighborhood after the disappearance of Nancy Guthrie, the 84-year-old mother of U.S.

NPR's Steve Inskeep speaks with Mary Ellen O'Toole, a former FBI senior profiler and professor of forensic science, about the latest in the Nancy Guthrie abduction case. OK. We're now joined by former ...