The person who shot and killed nine persons in a small British Columbia town has been identified as a born-male transgender 'woman' named Jesse Van Rootselaar. He murdered his mom and stepbrother before going to the high school and killing seven more, wounding others.
Transgender individuals are a tiny fraction of the populace, yet they've done much more than their share of mass killings. I consider that very suggestive of trans being a mental illness making sufferers susceptible to acting out in violent ways.
Later … See similar arguments made here in the New York Post and here at Power Line.