Well, people tend to still report other crimes, like property crime, and police still investigate them. Sure, reporting rates aren't perfect but you can still d

Well, people tend to still report other crimes, like property crime, and police still investigate them. Sure, reporting rates aren't perfect but you can still draw meaningful conclusions from trends. I'm not going to do the leg work for you, but almost all types of crime are declining in the US and have been for decades. There's no data I've seen that suggest anything other than a broad decades long drop in crime.