A 91-year-old Mexican man went for a walk in California.
Rodriguez said he was walking to a nearby park on Wednesday when he passed a woman and a little girl.
Four men, according to the Sacramento Bee, joined the toddler's mother in the assault, repeatedly kicking him.
"When I take the picture, she said, 'Oh, he tried to touch my girl, '" the woman identified as Catherine told CBS Los Angeles. "I just want to know what was going through her mind".
Of the injuries and the gruesome nature of the beating, Los Angeles Sheriff's Deputy D'Angelo Robinson said: "We are concerned, especially with the type of crime they committed". A video was taken by a witness showing a woman who appears to be African American with a brick in her hand. We can't these kind of people like that out in our streets'.
Los Angeles County police are searching for the woman and four men in the video.
"I tried to help him, but the lady said, 'If you come over here I'll hit your vehicle with the same brick, ' " recounted Borjas, who had attempted to pull over and rescue Rodriguez.
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"She was yelling at him, 'Go back to your country, ' or 'Go back to Mexico, '" Borjas told the Times.
"When I tried to videotape her with my cell phone, she threw the same concrete block and tried to hit my auto".
Then the woman attacked him with a concrete block.
Rodriguez's family told KTLA-TV that the woman from the photograph pushed Rodriguez to the ground, picked up a brick and began beating him with it.
"But that's not true", he said, through tears.
A GoFundMe account set up of for Rodriguez raised more than $30,000 of its $15,000 goal to help the grandfather cover medical costs.
As his grandfather laid back in a reclining chair at the family home, wearing a white T-shirt and blue plaid pajamas, Mendoza kissed him on one of the few places he hadn't been injured: the top of his head.