[Someone]

It’s a combination of factors. https://theconversation.com/why-do-american-cops-kill-so-man...:

”Desperate and potentially dangerous people in Europe are, therefore, more likely than their American counterparts to encounter well-educated and restrained police officers.

However, explanations of elevated police lethality in the US should focus on more than police policy and behavior. The charged encounters that give rise to American deadly force also result from weak gun controls, social and economic deprivation and injustice, inadequate mental health care and an intense desire to avoid harsh imprisonment.

Future research should examine not only whether American police behave differently but also whether more generous, supportive and therapeutic policies in Europe ensure that fewer people become desperate enough to summon, provoke or resist their less dangerous police.”