there was nothing. just pure hate. >> reporter: a veteran fbi s.w.a.t. team leader said the shooter had the advantage over police because of the layout of the walmart. >> each row, the rows cascade against each other. they go perpendicular to each other. you have different sections. you have plants on one side and electronics on the other and some of the super wal marmarts a grocery store. >> reporter: we are learning how the alleged shooter made his way to the walmart where he killed 22 people soon after allegedly posting an anti-hispanic hate-filled screed online. >> he took about 10 or 11 hours traveling from allen, texas, to el paso. as soon as he got here he was lost in a neighborhood. after that he found his way to the walmart. we understand he was hungry. >> reporter: he has been unemployed for five months. he also bought his high-powered rifle legally. >> if he cooperated from the