Retired FBI negotiator on Nancy Guthrie investigation as apparent ransom deadline looms
An apparent second ransom deadline is set for Monday in the disappearance of Nancy Guthrie after her children post another video telling her possible abductor "we will pay" for her safe return. Gregory M. Vecchi, a retired FBI negotiator and former chief of the agency's Behavioral Science Unit, joins CBS News 24/7 to discuss the investigation.