Yeah it’s pretty similar, the main reason for the US not being a fully signing member seems the government sees no reason as their military courts function in the same capacity with basically the same guidelines and can prosecute genocide and crimes against humanity cases.
And the cops all will be able judge 25 feet down to the inch, it’s like their amazing ability to know exactly how fast you’re driving with just their Spidey sense. With their super selective hearing, though, they can only hear gunshots from hundreds of miles around so they’re always scared, it’s why they need their safety circle and emotional support gun.