...CMU police had contact with Davis (the shooter) on Thursday night (last night), Klaus said, explaining officers responded to complaints of a “difficult student” in the residence hall. Davis was later taken to a University of Michigan Health Systems facility for a drug-related issue, Klaus said, correcting his earlier assertion that suspect had been at McLaren Hospital.
“Whether there was a mental health component that was in conjunction with that, we don’t know,” said Klaus, telling reporters there are “pieces of the puzzle” police are still trying to put together as they investigate the suspected shooter and his motive.
He said authorities are looking at surveillance video feeds. While the university does not have metal detectors, the campus is considered a gun-free zone...