targets. fox news also telling suspects are complete prose well coordinated, pointing to the comfort level and skill and ruthlessness with which they executed this police officer on the sidewalk. they emphasize the shooters knew what they were doing, carried their weapons like infantrymen and are radical islamic terrorists. government sources confirm that they are focused on the possibility that this was connected to a known terrorist group including al qaeda in north africa as well as al qaeda in yemen which is known as aqap. the propaganda journal has called for the execution of the magazine's editor and cartoonist as early as march of 2013. >> we have to assume that every time they encourage something and talk or write about something, they are doing everything they can to carry it out. reporter: a witness at the scene said that they were with al qaeda in yemen that hasn't been