It's not clear what the source of it is, but we do know that he was on Discord talking back and forth about the shooting. He was telling other people on Discord that he had left a rifle wrapped in a towel. He mentioned shell casings that were engraved. I mean, that was part of what confirmed this is the right guy. And when law enforcement went and talked with his roommate, they were able to see these messages where he described the rifle, which was in fact, wrapped in a towel. (09:50–09:54)
CLAIM
Asserts that Tyler mentioned engraved shell casings.
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