Spokeswoman Confirms Tip Called In, Investigation Begun. A member of an online support group that Matthew Murray reportedly participated in alerted federal authorities to ominous anti-Christian postings before Murray went on a shooting rampage at a Colorado church. Joe Istre, president of the Association of Former Pentecostals, which operates the online site, told The Associated Press on Tuesday that he and other forum participants had grown familiar with the frequent and disturbingly dark poetry and obsessions of one participant, whose nickname was nghtmrchld26. But when that same author -- believed to be Murray -- posted Sunday that he wanted to...
