At a minimum, tgake away his right to purchase a gun.
nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope nope
Do not EVER even SUGGEST depriving ANYONE of life, liberty, property, or Constitutional rights without due process.
Due process, in this case, requires immediate arrest arraignment, and no bail. Under those conditions, yeah, he’s not buying a gun or having access to any he owns.
Better yet,take away his ability to reproduce.