https://www.star-telegram.com/news/local/crime/article238813713.html
Gunman drew suspicion of security before shooting, Fort Worth-area church elder says
BY MITCH MITCHELL AND JAMES HARTLEY
DECEMBER 29, 2019 06:11 PM
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This article has a little information from the elder and then recycles quotes from the other 2 articles I have already linked.
In summary, he drew attention from several people and the woman who was quoted said that her family was going to move elsewhere in the church following communion but didn’t get that chance.
It’s possibly that the security officer who was shot was already on guard for potential trouble.
The woman also said that the shooter’s hair appeared to be fake.
It was apparent in the video that numerous Church members were suspicious of the shooter. The first man shot definitely knew something was up. That’s probably why he was sitting so near the perp, watching him. The man who ultimately killed the shooter looked to be interested in the perp, also, from the beginning of the video. The perp raised a lot of attention.
It looked like he had long hair like a girl and maybe was trying to look like a girl... and then when he was shot it looked like the shot blew his scalp off, so a wig would explain all that.