She had good looks, long legs and a sex assault lie.

But the cop had a lapel cam.

Anti–police activists sometimes argue that forcing officers to wear cameras on their uniforms would cut down on police brutality because every part of an arrest would be documented on video.

But the recent arrest of a New Mexico woman — who then tried to set up the police officer on a fake sexual assault accusation – shows the camera’s can actually work in the cop’s favor by proving spurious claims to be the lies they are.

Check out this KOB4 report on how one fetching young woman’s by-the-book DWI arrest could have turned into something much more serious if the Albuquerque police officer’s lapel camera hadn’t caught all the action.

Must-see video: When a private citizen pulls over

a cop, it’s a traffic stop you don’t want to miss