Information about Nancy Guthrie's pacemaker helped authorities piece together a new timeline in her kidnapping. Can the devices track you?

Arizona police say they believe Nancy Guthrie, the missing mother of US news anchor Savannah Guthrie, "is still out there", though they have yet to identify a suspect in her disappearance five days af...

On Tuesday, reporters at TMZ revealed they had received a ransom note said to be from the mother-of-three's abductors, demanding millions of dollars worth of bitcoin — although the exact amount was no...