* CompleteMonster:
** Dick Reed, the Serial Killer/rapist in "Re-Do", is a thoroughly misogynist SmugSnake ("She lies. They all lie, " regarding the victim who escaped and got him caught) who gets his conviction overturned because a lab tech screwed up the protocols. He shows zero remorse and no redeemable qualities and finally attempts to perform his usual MO on Erin Reagan, the ADA who convicted him. [[spoiler: [[TooDumbToLive This backfires fatally.]]]] Toby Leonard Moore's performance is so good that it's also the show's first major dose of NightmareFuel.
** Yuri Denko, an arms dealer whom Erin prosecutes in "Working Girls", is a cold-blooded sadist who has no problem executing a man's wife in front of him in their living room over a business dispute. He then threatens the man's children in a courtroom outburst to scare him into not testifying, then has him killed after the threats scare him into running. He puts out a hit on the surviving witness, hounding her mercilessly, and went after her grandma back in Russia, too (the FSB got there first and protected her).
* CriticalResearchFailure: At the beginning of "Hall of Mirrors", there is a cricket game being played in Central Park with remarkable accuracy, except that there aren't any wickets. It's funny as hell.
* DrinkingGame: Take a drink whenever someone runs as soon as they see a cop, or [[HeyItsThatGuy whenever you see an actor from]] ''Series/TheWire''.
* LikeYouWouldReallyDoIt:
** Frank is shot at the beginning of "Dedication" in a drive by. He lives.
** Via creative editing and judicious use of a {{Stock Sound Effect|s}}, [[NeverTrustATrailer the trailers for the season 3 premiere]] made a valiant effort to convince us that the Criminal of the Week would blow up Danny and Jackie. He didn't.
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