Not necessarily. Many more men than women wear French cuffs. Many men wear bracelets. Look at the surroundings. It's all men. A woman would have stood out like a sore thumb. Looks like a male who dresses well. A male who is either a member of Congress or a senior staff member.
Too many people know who did it. If the shooter is a white guy, the news will leak out.
Yes, more likely = not necessarily.
We’d appreciate knowing, either way. A legislator has already defended the person, so the legislator ought to be pressed for an answer.