While undercover posing as a prostitute, Katrina's mission was to arrest pimps and those soliciting prostitution. Neither did the prostitutes that Katrina, in disguise, met on the streets. But the drug dealers and pimps she interacted with - and secretly recorded - didn't know that. Katrina was an undercover NYPD police officer. This is what she wanted and what she trained for. Katrina Cooke Brownlee was spending another night out on the streets of New York City.