LOS ANGELES — Citing a recent arrest by immigration agents that bloodied a man in the unincorporated area of Valinda, Los Angeles County Supervisor Hilda Solis said she wants the county to explore a legal counterattack against what she described as the federal government's "unconstitutional immigration enforcement practices."

In a statement Saturday, Solis said that she plans to co-sponsor a motion at Tuesday's Board of Supervisors meeting asking the county's attorney to explore "all legal remedies available to the County to protect the civil rights of our residents and prevent federal law enforcement personnel from engaging in any unconstitutional or unlawful immigration enforcement."

Such conduct, the motion says, includes the "unlawfully stopping, questioning or detaining individuals without reasonable suspicion, or arresting individuals without probable cause or a valid warrant."

"As these immigration raids continue to terrorize our communities, I'm deeply disturbed by the forceful detainment of a man in unincorporated Valinda. This incident raises serious concerns about the conduct and legality of these actions, and demonstrates a violation of constitutional rights and due process," Solis, whose district stretches from Eagle Rock to Pomona, said in a statement.

The Trump administration's ongoing crackdown on undocumented immigrants, the motion says, has sown widespread fear throughout the region and emptied out normally bustling public spaces, with people "avoiding going to work or visiting grocery stores and restaurants, skipping medical appointments."

This has had a "tremendous negative impact" on not only the county's economy, but also its "ability to provide for the health and welfare of our residents," according to the motion.

The L.A. City Council introduced a similar motion earlier this month seeking to prohibit federal agents from carrying out unconstitutional stops, searches or arrests of city residents.

Federal officials have said their agents are defending themselves against increasingly hostile crowds, which in some cases are interfering with arrests.

Top officials, such as Department of Homeland Security Secretary Kristi Noem, have argued that the government's raids are targeting "criminals that have been out on our street far too long." A recent Los Angeles Times analysis suggested that the majority of those who were arrested in early June were not convicted criminals, however.

For weeks, social media has been flooded with videos of federal agents, their faces often shrouded by masks, violently arresting bystanders who are filming their actions, dragging a taco stand vendor by her arm and tossing smoke bombs into a crowd of angry onlookers. One widely circulated clip showed a military-style vehicle accompanying federal law enforcement officers during an apparent raid at a home in Compton earlier this month — part of what critics have called an alarming escalation in tactics.

Footage reviewed by The Times shows a person in the turret of the vehicle pointing what appears to be a less-lethal projectile launcher downward, but it's unclear whether any shots were fired.

In her statement, Solis cited another federal operation that was at the center of a viral video.

That footage, shot by a bystander and obtained by ABC 7, shows federal agents in tactical vests and masks smashing the windows of a large white pickup truck before apparently pulling out a man from inside.

Several agents are later seen kneeling on top of the man who is bleeding from an apparent head wound, even as a crowd of onlookers demand that the man be released. In one clip, an agent is shown pushing the man's face into the pavement.

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