The aftermath of yet another mass killing in America has brought with it another news cycle of easy angles. The media has spent the last day and a half picking apart the presumed motives, influences and personal obsessions of the killer. In the absence of a complete profile, viewers and readers will form a picture of Omar Mateen — the 29-year-old Florida resident alleged to have killed 49 people at a gay dance club in Orlando Sunday morning — based on the touch-and-go media analysis over the next several days.