There are a lot of Gru's people in the core team of the LAPD, and the training they receive within the police system is professional.
Normally, such state power only serves the nation, but America's systemic issues mean that this public authority can easily become a private thing—those piles and piles of political, legal familial dynasties are examples. (It's not because a law second generation popped up in our group today that I write this, it really is like that in America)
Especially after the LAPD's budget growth could not keep up with the crime rate increase in San Rodolfo.
"You guys have seen the blueprint inside, our aim is simple, we're not going to do anything dangerous, just go and exchange a few words with those two people in control, that's all."
A team leader chewing gum instructed his subordinates.
"Captain, what if we get stopped by someone?"
The team leader rolled his eyes, speaking somewhat discontentedly.