Former officials have a "moral duty" to voice their concerns about his presidency, said Miles Taylor, the ex-chief of staff at the Department of Homeland Security.
Senator Tammy Duckworth said that the camouflage uniforms worn by both federal agents and members of the military caused "fear and division" in cities where protests occurred.
Local officials said federal law enforcement, not police, fired the gas at protesters gathered outside a building of U.S. Immigration and Customs Enforcement.
Senator Ted Cruz (R-Texas) will introduce acting Secretary of Homeland Security Chad Wolf at a Senate nomination hearing next week, with the aim of making Wolf's position permanent following reports that he has been illegally serving as acting secretary.
Federal judge Paula Xinis said in her Friday ruling that Chad Wolf may have "filled the role of Acting Secretary without authority."
The whistleblower complaint was filed by former acting Under Secretary for Intelligence and Analysis Brian Murphy.
Acting DHS Secretary Chad Wolf has urged the Mayor of Portland to "restore law and order" in the city and suggested Federal forces might have to be deployed there.
Elizabeth Neumann was assistant secretary at the Department of Homeland Security and said she feared the rhetoric coming from the White House administration.
Donovan Pham Nguyen, 34, of Riverside, spent years pretending to be a special agent with Homeland Security Investigations, according to court documents.
"We don't have any authority to do that at the department," Chad Wolf said.
The head of the Department of Homeland Security said he immediately terminated a program that monitored journalists who had published leaked DHS documents after the Washington Post ran a July 30 story uncovering the controversial practice.
"Dismantle DHS" is just as silly as "Abolish ICE" and "Defund the Police."
"Trump has demonstrated his propensity to weaponize DHS in furtherance of his political ends, which concerns me if the election results do not produce a clear winner," one senior law enforcement official told Newsweek.
No self-identified members of the loosely-affiliated Antifa protest movement have committed any murders or terrorist attacks.
Congressman Adam Schiff said agents from the Department of Homeland Security had carried out "aggressive operations" during demonstrations.
Federal agents with ICE and the CBP will leave Portland Thursday following weeks of violent clashes between protesters and law enforcement officials, Oregon Governor Kate Brown announced Wednesday.
"I don't see that as constitutionally defensible, and I find it difficult to believe that any judge would uphold it," a First Amendment scholar said.
The federal agents left Seattle after pushback from Mayor Jenny Durkan.
The mayor said he wanted to discuss the removal of federal troops from Portland with the acting homeland security secretary.
Seattle Mayor Jenny Durkan said President Donald Trump has "clearly targeted cities run by Democratic mayors" as more federal forces are deployed across the country.
Seattle Mayor Jenny Durkan said the city is "prepared to pursue every legal recourse" if federal agents intervene in this weekend's protests.
A federal judge issued an order blocking federal agents from the Department of Homeland Security and U.S. Marshals from targeting legal observers and journalists covering Black Lives Matter protests in Portland, Oregon.
The doxxing of local police follows nearly 55 solid days and nights of racial justice protests around the city.
"The Administration's insistence on deploying these forces ... [has] little to do with public safety, but more to do with political gamesmanship," the chairpersons stated.
Two federal officers in tactical gear were filmed detaining a protester without identifying themselves or giving a reason for the arrest in a video posted on social media.
Monday's letter from the House Oversight Committee said the Trump Administration's "wildly exaggerated rumors about Antifa has only served to encourage right-wing militias provoking violence."
The revised procedures would allow judges to deny claims to entire groups of people without ever giving them court hearings.
The National Hockey League announced Tuesday that a modified playoff tournament would determine the winner of the 2019-2020 Stanley Cup.
While the government's eminent domain powers are generally unreserved, the orphanage will have an opportunity to contest the amount of compensation.