Shocking new twist in case emerges.

'The answer is in Tucson.'

'We sure don't trust them to do anything.'

A former FBI agent explained her new theory about what may have been written in the ransom notes.

Two more notes sent this week promise information on Nancy Guthrie’s kidnappers in exchange for a bitcoin.

Here's why 'the walls are closing in.'

The 84-year-old mom of Savannah Guthrie has been missing for ten weeks.

'I think he was standing there waiting for someone to come out.'

Plus, sheriff issues chilling warning.

'Who will be their next target?'