Earlier quoted context omitted.
>They were created to meet the specific law enforcement needs of each agency. Dept of Education agents investigate misuse of Dept of Education funds, That's a really charitable way of saying "handle petty stuff that the FBI can't justify spending resources on". Every specialty police department exists for this reason and this reason only. Because the mission is often so petty they wouldn't get any resources if it was…
This. This right here. Every word. I would even go so far as to say, there shouldn't be specific immigration cops, or alcohol, tobacco and firearms cops, since if there were actual crimes committed by immigrants or gun owners, the crimes themselves should be dealt with. To allow cops to go snooping around by widening jurisdictional responsibility, it has a very "pre-crime" aspect to it, which is often subject to prej…
Maybe I'm missing your point, but isn't that exactly what the cops in question are supposedly doing? "Immigration cops" investigate illegal immigration. The ATF investigates the unlawful use or sale of firearms and drug trafficking. All of these things are crimes (regardless of whether they should be).
So how is there a "pre-crime" aspect to specialization among police when it comes to things that actually are crimes?