>So if they have forced conscription, where does the vetting come in? Do they exempt, not conscript, the people who look particularly killy? Presumably people

>So if they have forced conscription, where does the vetting come in? Do they exempt, not conscript, the people who look particularly killy? Presumably people with mental illness or certain criminal convictions are excluded? >Why that is may be up for debate, but I certainly don't think a couple years of conscripted service right out of high school plays a role--or else you'd never hear about American vets killing anyone. This is likely self selecting. If everyone in Switzerland serves then their average vet is essentially their average citizen, the murder rate for an Average American is probably low. The type of people who enlist in the US are not typically "average."