The "signal sniffer" being used in the Nancy Guthrie investigation was mounted on a helicopter on Monday.

The Pima County Sheriff’s Department said Tuesday that DNA evidence gathered from a pair of gloves found near Nancy Guthrie’s ...

The controversial conservative government blueprint Project 2025 included a training video addressing whether Republican administration officials should use Signal and similar messaging apps for ...

Claims that former U.S. President Joe Biden's administration initially authorized the use of Signal by government officials spread in late March 2025 after The Atlantic reported national security ...