literally right on this individual. there was a crash in the parking lot. the individual fired two shots at police. police returned fire. nobody hit in that. he went right by a security guard in the front door and into the store, and people started pouring out. sean, you were in the back of the store. what did you hear and see? i was in the back storage room. i heard screaming and a number of gunshots. i looked out the bat wing doors to the store and saw employees running up the aisles and knew there was an active shooter situation. reporter: quick thinking on your part. do you train for this, is it something you keep in the back of your mind? it s just an unfortunate state of today, i m always trying to be cognizant of exits and emergency situations. reporter: 6, 7,000 square feet or so. how many employees would have
no, just kidding. he was tired yesterday. we start with this. he was bent on jihad and he is no dummy. that s what the feds are saying after they arrested a man in an alleged plot to dive bomb the pentagon with remote controlled planes like these. the planes would be packed with explosi explosives. the suspect is an american muslim with a physics degree. brian todd with more on how his plot was foiled. federal authorities arrest ad 26-year-old man from ashland, massachusetts. in an affidavit he started his plot last year by buying cell phones, modifying them to act as electrical switches for ieds and giving them to people he believed to be members of al qaeda and hoped they would be used to kill u.s. soldiers overseas according to that document. but the people he was give thing equipment to were actually undercover agents from the fbi. authorities say that he then expanded his plot to use these. model planes. they say that he planned to use them like drones operated by remo