Marked Man: Frank Serpico's Inside Battle Against Police Corruption

1971. Brooklyn, New York. Undercover cop Frank Serpico is knocking on a drug dealer’s door. His partners are there to back him up, but when the door opens, he’s staring down the barrel of a gun—and his partners are nowhere to be found.

For more than a century, the New York Police Department had been plagued by corruption, with cops openly taking bribes from gamblers and drug dealers. Not Serpico. He refused to take dirty money and fought to shed light on the dark underbelly of the NYPD. But...