gun, 15 shots in all, before walking back to his truck and driving off. on this spot now, a memorial of teddy bears and flowers has blossomed in deputy goforth's honor. the casings were matched to a gun found in miles' garage. the sheriff says deputy goforth was targeted because he wore a uniform. >> this rhetoric has gotten out of control. we've heard black lives matter, all lives matter. cops lives matter too. why don't we drop the qualifier and just say lives matter and take that to the bank. >> reporter: he bounced around various houston area colleges, including the university where sandra bland was supposed to work. >> don't touch my. i'm not under arrest.