The investigation into the disappearance of Nancy Guthrie is facing growing scrutiny, as a former FBI agent publicly denounces what she calls a 'cloak-and-dagger' approach to releasing information. Weeks after the elderly Arizona woman vanished from her Tucson-area home, frustration is mounting over how little the public has been told and whether that silence is costing investigators crucial leads.
Weeks after Guthrie disappeared, investigators have shared only limited details about what they believe happened.
