Nancy Guthrie was last seen at her Tucson home on Jan. 31 and was reported missing the following day. Authorities say her blood was found on the front porch. Purported ransom notes were sent to news ...

Made up of former law enforcement, private investigators and military members, the group of volunteers has located dozens of missing persons over the past few years. This story is part of a series of ...

More than 4,000 calls came into an Arizona sheriff's department within 24 hours after the release of videos of a masked ...