>> we heard he was interviewed in 2015 after his name popped up in connection with a handful of people. one important thing we saw happen we saw federal investigate force walk out of the apartment complex with a garbage bag supposedly with contents from his home. >> bill: i wonder where his wife and two kids are and i wonder that home depot has to be five miles from you. that scene is still being investigated. what have you learned over there? >> well, we've had our camera crews looking around. it appears the vehicle investigators believe he drove over there has been removed from the parking lot. as we've been reporting sayfullo saipov was not a u.s. citizen and has been here since 2010. it is important to note in