els ▁High , ▁K elle y ▁had ▁a ▁length y ▁discipl inary ▁record , ▁which ▁included ▁seven ▁susp ensions ▁for ▁" f als ifying ▁records , ▁in sub ord ination , ▁prof an ity ▁and ▁a ▁drug - related ▁off ense ". ▁One ▁former ▁high ▁school ▁class mate ▁described ▁him ▁as ▁" an ▁out cast ▁but ▁not ▁a ▁lon er " ▁who ▁was ▁" pop ular ▁among ▁other ▁out cast s ". ▁However , ▁a ▁mart ial ▁arts ▁instruct or ▁who ▁taught ▁K elle y ▁during ▁that ▁time ▁said ▁K elle y ▁signed ▁up ▁for ▁his ▁class ▁because ▁he ▁was ▁being ▁bul lied ▁and ▁that ▁he ▁did ▁not ▁fit ▁in . ▁K elle y ▁graduated ▁in ▁ 2 0 0 9 ▁with ▁a ▁ 2 . 3 2 ▁grade - point ▁average ▁and ▁a ▁ranking ▁of ▁ 2 6 0 ▁out ▁of ▁ 3 9 3 ▁students ▁in ▁his ▁class . ▁A ▁close ▁friend ▁from ▁middle ▁school ▁through ▁high ▁school ▁re called ▁" he ▁wasn ' t ▁always ▁a ▁' ps ych op ath ' ▁though " ▁and ▁that ▁" over ▁the ▁years ▁we ▁all ▁saw ▁him ▁change ▁into ▁something ▁that ▁he ▁wasn ' t ". ▁ ▁Military ▁service ▁and ▁violent ▁behavior ▁After ▁gradu ating , ▁K elle y ▁en list ed ▁in ▁the ▁United ▁States ▁Air ▁Force . ▁He ▁served ▁in ▁log istics ▁read iness ▁at ▁H oll oman ▁Air ▁Force ▁Base ▁in ▁New ▁Mexico ▁from ▁ 2 0 0 9 ▁until ▁ 2 0 1 4 . ▁He ▁married ▁in ▁April