Detailed text transcripts for TV channel - KGO - 20140211:11:04:00
Under new guidelines, lethal force can only be used to prevent or stop attacks against an american and when the person cannot be captured. the person also must pose a continuing imminent threat to americans. another security threat. this one involving air travel into the u.s. and a specific air airline to avoid. abc's brian ross has details. >> reporter: the airplane terror warning was stark and unprecedented. the u.s. embassy in guyana said americans should avoid all flights on caribbean air from guyana to the u.s. until at least thursday because of what it termed a specific but unconfirmed...