Ethics Archives - Open Vallejo

A man in a blue polo shirt speaks at a lectern during a city council meeting. Two senior police officers sit at a desk in the foreground.

Vallejo police oversight official resigns over online posts

by Matthew Brown October 17, 2025October 17, 2025

Man in a blue suit and yellow tie addresses the room from a lectern with a microphone, audience heads visible in the foreground.

Vallejo officials’ online comments cloud police shooting review

by Matthew Brown September 29, 2025October 16, 2025

A dashcam view at dusk captures a police car ramming a black Mercedes at an intersection, causing the sedan to spin out of control.

Vallejo officer under investigation over leaked pursuit video

by Geoffrey King August 1, 2025August 4, 2025

Former Vallejo Police Capt. John Whitney stands in a black suit and tie near a shallow creek, flanked by reeds and ducks, with a concrete bridge arching in the background.

Vallejo police hid misconduct records from courts, former captain alleges

by Matthew Brown June 11, 2025June 12, 2025

A man in a white polo shirt and khaki pants stands outdoors beside a weathered building with red wooden shingles and broken windows. Tall dry grass surrounds him as he looks thoughtfully off to the side.

Mathew Mustard, of ‘American Nightmare’ infamy, retires from Vallejo

by Matthew Brown April 1, 2025July 1, 2025

A man stands in front of a dimly lit concrete wall, gazing into the distance with a contemplative expression.

Vallejo whistleblowers who alleged corruption settle for $3 million

by Anna Bauman October 9, 2024October 9, 2024

A truck labeled 'Don's Johns' parked on the street in front of the Robert F. Kennedy Department of Justice Building. The truck is carrying portable toilets. The building's facade is visible in the background with trees on either side of the street.

Supreme Court narrows anti-corruption law used to convict local official

by Anna Bauman June 28, 2024June 28, 2024

A man in a suit, identified as Greg Nyhoff, is speaking at a podium with a microphone. He appears to be addressing an audience in a city council chambers. Behind him, there are chairs and a California state flag is partially visible.

Greg Nyhoff, controversial former Vallejo city manager, hired in Texas

by Anna Bauman June 24, 2024August 9, 2024

Photo of several police officers in riot gear, standing inside a building. One female officer in the center, identified by a badge as S. McDonough, looks intently ahead. The officers are wearing dark uniforms with helmets, badges, and have body cameras and various equipment attached to their belts.

Vallejo officers intervene after detective stopped by Cotati police

by Anna Bauman April 5, 2024April 29, 2024

Mat Mustard, a middle-aged, balding police detective, interrogates Aaron Quinn, a kidnapping victim Mustard falsely accused of killing his girlfriend Denise. Aaron and Denise are now married with two children.

Vallejo seeks to keep evidence destruction probe secret

by Anna Bauman February 2, 2024March 12, 2024