Recognizing pain. he was never convicted of any criminal action before this l let's go to james holmes, aurora movie theater massacre suspect. holz purchased his weapons legally at local gun shops but a university of colorado psychiatrist alerted his school about holmes potentially homicidal behavior. they did not act. therefore he was not ruled mentally unfit and would not have come up on a background check for that and therefore he was allowed to buy the guns. let's go to jared lochner, the accused tucson shooter. he also purchased his weapons legally. here is his mental background. arizona ...