[snarkytart]

Not sure that’s him though. Not enough pics of him to compare to the video.

Also I can understand his brother’s shock but he might not be aware of any affiliations the shooter had because they lived across the country from one another.

[ChessExpert]

Yes, I’m not sure the video is conclusive. It does show a pic of the guy with a woman. They look like the couple, to my eyes, but again not conclusive.

How do we know this guy’s political views? If it’s due to his being at the anti-Trump rally, then it falls apart if that was someone else at the rally.

And how do we know he was a registered Democrat?

[Windflier]

I can understand his brother’s shock but he might not be aware of any affiliations the shooter had because they lived across the country from one another.

Siblings don't always stay close, even if they live relatively nearby each other. Especially when they're past the half century mark.

I've got six siblings, and don't have the foggiest clue about their close connections outside the family.