This is not a productive line of questioning, because currently in America the police don't stop armed neo-nazi rioters. Instead they do nothing about or actively aid them.

https://www.usatoday.com/story/news/factcheck/2020/08/29/fac...

https://www.theguardian.com/world/2018/feb/09/california-pol...

https://slate.com/news-and-politics/2019/06/armed-neo-nazis-...

https://www.washingtonpost.com/nation/2020/08/22/portland-po...

https://www.insider.com/police-salem-oregon-protesters-stay-...

https://www.esquire.com/news-politics/politics/a33798854/jac...