Anderson is seen in the footage using a large paint roller to paint over the letters ‘B’ and ‘L’ in the word Black, which had been painted yellow.

According to the district attorney’s office, a Martinez resident applied for a permit to paint the temporary mural in front of the city’s Wakefield Taylor Courthouse on July 1. The permit was approved by Martinez city officials and the painting took place on July 4.

Nelson and Anderson arrived at the scene of the mural after it was completed with paint supplies. Video of them has been shared widely on social media.

‘We must address the root and byproduct of systemic racism in our country. The Black Lives Matter movement is an important civil rights cause that deserves all of our attention,’ Contra Costa County District Attorney Diana Becton said.