The Federal Bureau of Investigation is searching for a suspect accused of assaulting a federal officer and damaging government property during the anti-ICE demonstrations in Los Angeles.

The agency is seeking the public's assistance, offering a reward of up to $50,000 for information leading to the identification, arrest and conviction of the suspect.

On Saturday at about 3:30 p.m., the suspect allegedly threw rocks at law enforcement vehicles on Alondra Blvd. in Paramount, California, resulting in injury to a federal officer and damage to government vehicles.

The suspect is considered armed and dangerous.

PATEL PROMISES FBI COMING FOR ANYONE ASSAULTING COPS AS LOS ANGELES ERUPTS OVER ICE RAIDS

FBI Director Kash Patel warned Saturday night, "if you assault a law enforcement officer, you’re going to jail—period."

"It doesn’t matter where you came from, how you got here, or what cause you claim to represent," Patel told Fox News Digital. "If local jurisdictions won’t stand behind the men and women who wear the badge, the FBI will."

Patel also issued similar warnings on social media.

"Doesn’t matter where you came from, how you got here, or what movement speaks to you. If the local police force won’t back our men and women on the thin blue line, we @FBI will," Patel wrote Saturday night on X.

On Sunday, the FBI head said Los Angeles is "under siege" amid the demonstrations against deportations and ICE raids targeting migrant workers at local businesses.

"Just so we are clear, this FBI needs no one’s permission to enforce the constitution'" Patel wrote on X. "My responsibility is to the American people, not political punch lines. LA is under siege by marauding criminals, and we will restore law and order. I’m not asking you, I’m telling you."

NATIONAL GUARD TROOPS ARRIVE IN LOS ANGELES AMID VIOLENT ANTI-ICE PROTESTS

FBI Deputy Director Dan Bongino also warned protesters who engage in violence that the agency will be pursuing "all available leads for assault on a federal officer, in addition to the many arrests already made."

"Although we’ll pursue every case, we don’t need to catch every single perp, we just need to catch you," Bongino wrote Sunday on X. "A short time ago, the Director and I notified our teams to use all of our investigative and technological tools to pursue you long after order is firmly established. We will not forget. Even after you try to."

The Trump administration has also taken over the National Guard and deployed troops in Los Angeles to respond to demonstrations. The president has also threatened to send active-duty Marines.

California Gov. Gavin Newsom, a Democrat, has denounced the federal government's move to deploy the National Guard and has requested that the administration rescind its deployment of troops and return them to his command. The governor said the state will file a lawsuit against the administration over the federal deployment.

"Trump is trying to manufacture a crisis in LA County — deploying troops not for order, but to create chaos," Newsom wrote Sunday on X. "Don’t take the bait. Never use violence or harm law enforcement."

"President Trump is escalating the situation by threatening to deploy roughly 500 active-duty Marines to the streets of Los Angeles," he said in another post. "Los Angeles: Remain peaceful. Don’t fall into the trap that extremists are hoping for."

Newsom added in another post that Trump "wants chaos and he's instigated violence."

"Those who assault law enforcement or cause property damage will risk arrest," he wrote. "Stay peaceful. Stay focused. Don’t give him the excuse he’s looking for."

Los Angeles Democrat mayor Karen Bass has also urged the administration to end the federal deployment.

U.S. Immigration and Customs Enforcement (ICE) agents captured the "worst of the worst" criminal illegal aliens in Los Angeles during operations on Friday, including murderers, sex offenders and other violent criminals, the agency said on Sunday. 

ICE agents carried out operations at businesses across Los Angeles on Friday, which sparked protests and clashes outside multiple locations, resulting in authorities throwing flash bangs to disperse the crowd.

About 45 people were arrested across several locations, including two Home Depot stores, a store in the fashion district and a doughnut shop.

ICE SWEEPS THROUGH LA BUSINESSES AS LOCAL DEMOCRATS CRY FOUL OVER TRUMP ADMINISTRATION'S ENFORCEMENT ACTIONS

"Why do Governor Newsom and Los Angeles Mayor Karen Bass care more about violent murderers and sex offenders than they do about protecting their own citizens?" Department of Homeland Security (DHS) Assistant Secretary Tricia McLaughlin asked. "These rioters in Los Angeles are fighting to keep rapists, murderers, and other violent criminals loose on Los Angeles streets. Instead of rioting, they should be thanking ICE officers every single day who wake up and make our communities safer."

Among those arrested was 49-year-old Cuong Chanh Phan, an illegal alien from Vietnam with a criminal history that includes a conviction for second-degree murder.

Phan was convicted of shooting up a high school graduation party after a dispute, killing an 18-year-old and a 15-year-old. Seven others were injured in the incident, according to DHS.

ICE ARRESTS OVER 200 ILLEGAL ALIENS IN NEW YORK CITY'S 'MOST CRIME-INFESTED NEIGHBORHOODS'

ICE also arrested Rolando Veneracion-Enriquez, a 55-year-old illegal alien from the Philippines who was convicted of burglary, sexual penetration with a foreign object and assault with intent to commit rape.

Lionel Sanchez-Laguna, a 55-year-old Mexican national, was arrested by ICE on Friday. His criminal history includes discharging a firearm at an inhabited dwelling and vehicle, battery on spouse or cohabitant, willful cruelty to child, driving under the influence, assault with a semi-automatic firearm and personal use of a firearm.

Another illegal immigrant who was arrested was 44-year-old Armando Ordaz, of Mexico.

ICE HIGHLIGHTS ARRESTS OF 5 ILLEGAL ALIENS CONVICTED OF VIOLENT CRIMES, INCLUDING AGAINST CHILDREN

DHS said Ordaz’s criminal history includes sexual battery, receiving known or stolen property and petty theft.

Francisco Sanchez-Arguello, 38, of Mexico was arrested on Friday and had previously been arrested for grand theft larceny and possession of a prohibited weapon, DHS said.

Authorities arrested 42-year-old Jose Gregorio Medranda Ortiz, an Ecuadorian national who had previously been arrested and convicted of conspiracy to possess five kilograms or more of cocaine with distribution intent while on a vessel in Tampa, Florida.

TRUMP ADMIN TOUTS PURGING 'WORST' ILLEGAL IMMIGRANT CRIMINALS FROM US STREETS: 'WORKING TIRELESSLY'

ICE arrested Victor Mendoza-Aguilar, 32, of Mexico, who had also previously been convicted of crimes, including possession of unlawful paraphernalia, possession of controlled substances, assault with a deadly weapon and obstruction of a public officer.

Delfino Aguilar-Martinez, 51, of Mexico, was arrested Friday and had previously been charged and convicted with assault with a deadly weapon with great bodily injury, DHS said.

DHS also shared that 43-year-old Jose Cristobal Hernandez-Buitron, an illegal alien from Peru, was one of those arrested Friday and had been previously convicted of robbery.

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Honduran national Jordan Mauricio Meza-Esquibel, 32, was also arrested during the operation. He was previously convicted of distributing narcotics and domestic violence.

And finally, DHS said 26-year-old Jesus Alan Hernandez-Morales, a Mexican national, was arrested and had previously been convicted of conspiring to transport an illegal alien into the U.S.