I know of her--it's more like we have mutual acquaintances. But.....
[He hesitates for a moment, unsure of how to answer the question; it seems strange..... He's a ninja. Ultimately, he always has been, and that's a military position, not a civilian protection position. And from there, he went on to be a criminal, which certainly wasn't any sort of police officer. But..... here? Now? In Marina..... it's hard to make that call.]
.....I guess you could say something like that. I'm a member of the Defense Force here. But a Chuunin is the second formal rank of any shinobi force--once you've gotten enough experience under your belt to be a seasoned fighter, you can try to get promoted up to that level. That's the level the bulk of them stay at.