Even though we have no idea what the shooter’s motivations were.

Via Mediaite:

MSNBC host Touré spoke to a psychologist on Monday and asked him to spell out some of the behavioral signs that may indicate a coworker was planning on engaging in “workplace violence,” similar to what he indicated had occurred at the Washington Navy Yard on Monday morning. Except for the minor detail that shooting suspect Aaron Alexis did not work at the Navy Yard and used the identification of a former employee to illegally access the secure military site.

“We don’t know what the motive here is at all, no idea if we’ll find that out ever, but there are some — it does seem somewhat consistent with some of the things we’ve seen before in terms of workplace violence,” Touré began. “Let’s talk about workplace violence in general. What are the commonalties that you tend to see in those incidents where people return with a firearm?”

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