EXCLUSIVE: A trial lawyer and former prosecutor believes investigators in the Nancy Guthrie case will still be protecting key evidence as he reveals the moves he'd make in trying to solve the case

Authorities continue investigating Nancy Guthrie's six-month-old disappearance from her Tucson home. Sheriff Chris Nanos expressed optimism about resolving the high-profile case…

Investigators are examining mixed DNA evidence from Nancy Guthrie's home. A hair sample recovered from the scene has yielded inconclusive forensic results. Multiple laboratories…