ERIN NIEMELA – “I will break your f**king arm off right now,†a New York police officer shouts. “You want me to smack you?†warns another. The exclusive audio is shocking and the first of its kind. It is the only known audio evidence of a NYPD stop-and-frisk in progress, released Tuesday in the documentary “The Hunted and the Hated: An Inside Look at the NYPD’s Stop-and-Frisk Policy.†The audio captures the experience of Alvin, a Harlem teen, who the police claim is being stopped for “being a f**king mutt.â€