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 RAIDSFBI Director Kash Patel warned Saturday night, "if you assault a law enforcement officer, youre going to jailperiod.""It doesnt matter where you came from, how you got here, or what cause you claim to represent," Patel told Fox News Digital. "If local jurisdictions wont stand behind the men and women who wear the badge, the FBI will."Patel also issued similar warnings on social media."Doesnt matter where you came from, how you got here, or what movement speaks to you. If the local police force wont 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 ones 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. Im not asking you, Im telling you."NATIONAL GUARD TROOPS ARRIVE IN LOS ANGELES AMID VIOLENT ANTI-ICE PROTESTSFBI 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 well pursue every case, we dont 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. "Dont 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. Dont 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. Dont give him the excuse hes looking for."Los Angeles Democrat mayor Karen Bass has also urged the administration to end the federal deployment.