done more to prevent his death and his family is trying to cope with their tremendous loss. >> sometimes when i can't sleep i come to this couch and i lay there and i feel that he's there. alisyn: william lajeunesse is live in texas. what have you heard there, william? >> reporter: because of fast and furious atf's credibility has been damaged. they filed a freedom of information request. his appeal denied. the family wants to know, did the atf walk guns knowingly allow guns into the hands of criminals to further an investigation. the agency says no. why zapata after just nine days in mexico was sent on a delivery end on mexico's most dangerous road. he was there without evade and escape driver's training and without embassy backup and without a mexican police escort