Danny and Jackie make an arrest in this scene. It's off a Russian gangster played by Olek Krupa.

Blue Bloods Season 1 Episode 12 Quotes

Jackie: It was either St. Anne's tartan plaid or a chastity belt.
Danny: I'm guessing by the age of her daughter it wasn't the chastity belt that she chose

I was getting ready to call in a missing persons on you. No worries. Victim's still dead.