A 'cop watch' conducted by members of the Austin branch of the Peaceful Streets Project.

The activist organization conducts nighttime surveillance of law enforcement using smart phone cameras in an effort to observe and monitor police activity.

Members of the Austin branch of the Peaceful Streets Project gather at a coffee shop in East Austin for an evening cop watch. Joshua Pineda discusses guidelines with other members of the activist organization.
Gabriel Cristóver Pérez for The Texas Tribune
Richard (last name not disclosed), a member of the Austin Peaceful Streets Project, prepares for a cop watch by writing an emergency contact phone number on his arm in case of arrest.
Gabriel Cristóver Pérez for The Texas Tribune
Gabriel Cristóver Pérez for The Texas Tribune As a two-car patrol, members text directions, traffic conditions, and plans to each other throughout the night.
Gabriel Cristóver Pérez for The Texas Tribune
Antonio Buehler, front seat, co-founder of the Peaceful Streets Project, drives with Steve Donahue, rear seat, searching for police activity.
Gabriel Cristóver Pérez for The Texas Tribune
Gabriel Cristóver Pérez for The Texas Tribune A traffic stop in North Austin.
Gabriel Cristóver Pérez for The Texas Tribune
Kevin Kettle, left, Steve Donahue, center, and Antonio Buehler, right, keep their distance as they film with smart phone cameras - often speaking with and questioning the officers.
Gabriel Cristóver Pérez for The Texas Tribune
Joshua speaks with co-founder Antonio Buehler as both vehicles involved in the cop watch stop at a gas station in North Austin.
Gabriel Cristóver Pérez for The Texas Tribune
Kevin Kettle reviews activist bumper stickers as the convoy moves towards downtown Austin in anticipation of 2AM bar closing times.
Gabriel Cristóver Pérez for The Texas Tribune
Gabriel Cristóver Pérez for The Texas Tribune Law enforcement officials, at a traffic stop, filmed on West 6th Street - a popular nightlife spot in downtown Austin.
Gabriel Cristóver Pérez for The Texas Tribune
Gabriel Cristóver Pérez for The Texas Tribune The cop watch moves to a public intoxication call near the University of Texas at Austin campus.
Gabriel Cristóver Pérez for The Texas Tribune
Gabriel Cristóver Pérez for The Texas Tribune Near 3AM, the group leaves the public intoxication call and discusses the final route for the night.
Gabriel Cristóver Pérez for The Texas Tribune
A second traffic stop, the last of the night, in East Austin.
Gabriel Cristóver Pérez for The Texas Tribune
Gabriel Cristóver Pérez for The Texas Tribune