The woman and another man were yelling "all lives matter".
The Martinez policesaid the man and woman were gone by the time they arrived at the scene.
Her male companion went on to tell others that "there is no oppression, there is no racism, it's a leftist lie".
At one point, the man can be heard saying "keep America great again" - a combination of President Donald Trump's slogans "Make America Great Again" and "Keep America Great".
Two people in Martinez, Calif., spent part of Independence Day on Saturday painting over a recently created mural reading "Black Lives Matter", according to local media reports.
Police Investigating Couple Seen Covering up ‘Black Lives Matter’ Mural
Sappal added, "Please help us identify those that are responsible for this crime, so they can be held accountable for their actions". However, it was in need of an urgent fix only a couple of hours into its existence after a woman, armed with cans of paint and a roller, began slathering black paint over the artwork in broad daylight.
"The City of Martinez values tolerance and the damage to the mural was divisive and hurtful".
The incident happened on the Fourth of July when the man and woman, sporting some red white and blue clothing, were confronted by a group of protesters in front of the county courthouse in the city.
Sappal also confirmed that the mural was painted after community members had obtained the necessary permits. Onlookers meanwhile provided authorities with a photograph of the suspect's vehicle and described it to be a Nissan pickup with a camper shell and the word "Nicole" on the right side of the tailgate.
Israel Launches New Spy Satellite into Orbit
It said the "Ofek 16" reconnaissance satellite was launched at 4 a.m. from central Israel into space. In April, Iran finally launched a spy satellite into space after years of failed attempts.
JK Rowling goes off on hormone therapy, gender surgery
Rowling, who has received both censure and messages of support for her remarks, has yet to comment on the fan sites' statement. I know and love trans people, but erasing the concept of sex removes the ability of many to meaningfully discuss their lives.