New York City . Marshals Ergas task force tracks 3,000 suspected killers last year . Some are high-profile cases , but most are searches that go under media radar . O'Donnell says the fact the task force rarely engages fire with suspects and that they have such rigorous training , `` underscores you can teach tactics . '' Commander : `` Our mandate is to track ... murderers , armed robbers , rapists '' Office captured 3,000 suspects a day ; only once were shots fired , chief says .
New York City . Marshals Ergas task force tracks 3,000 suspected killers last year . Some are high-profile cases , but most are searches that go under media radar . Commander : `` Our mandate is to track ... murderers , armed robbers , rapists '' Office captured 3,000 suspects a day ; only once were shots fired , chief says .