The FBI is analyzing recently recovered DNA from Nancy Guthrie's Arizona home, according to reports. ABC News and Fox News on Thursday reported that sources familiar with the investigation of ...

The disappearances and deaths of 10 government workers tied to nuclear or space technology have sparked speculation online.

President Trump is criticizing investigators for revealing the use of FBI technology to search and find abducted Nancy Guthrie through her heart pacemaker. Guthrie, 84, the mother of NBC's "Today" ...

The FBI is investigating a series of deaths and disappearances of scientists and staff who worked at sensitive nuclear or ...