the marshal says he looked at the flight attendant, made eye con facts and tried to barge even the door twice. the flight attendants tried to tackle him, and so did a former police officer. he started running. as he did he yelled out allah akbar. i knew there might be a problem and it could be a possible threat. reporter: all the other passengers said they believe this man did mean harm. he came from yemen a couple years ago. spent some time in san francisco, could not get a job. went to stay with his brother in new york. but family in san francisco had no yesterday was coming. he got onboard that flight with no luggage and $47 in his