The Democratic senator's office said Friday that Alejandro Mayorkas and the DHS will be "held accountable for protecting Arizona communities and ensuring all migrants are treated fairly and humanely."
To wait for the next major cyber incident before acting would be deeply unwise.
The Biden administration is reportedly looking at addressing "gaps" in the wall.
According to a January tweet from Haiti's Ambassador to the U.S. Bocchit Edmond, "Mr Pierrilus isn't a Haitian Citizen & thus can't be sent to Haiti."
"The Biden administration directed DHS to violate federal immigration law and breach an agreement to consult and cooperate with Texas on that law," Texas Attorney General Ken Paxton said in a Friday statement.
Texas Attorney General Ken Paxton said the pause on deportation would "seriously and irreparably harm the State of Texas and its citizens" in a Thursday letter.
"There was minimal security leadership at the top," said the cybersecurity expert, who left SolarWinds after giving his warning.
"CISA expects that removing this threat actor from compromised environments will be highly complex and challenging for organizations," the agency under the Department of Homeland Security warned.
Many Democratic politicians tweeted their support for the New York judge's DACA ruling on reinstating the program.
Ex-director of the Cybersecurity and Infrastructure Security Agency responded after the campaign lawyer called for his execution over statements about election security.
"The recent statement by Chris Krebs on the security of the 2020 Election was highly inaccurate," President Donald Trump tweeted Tuesday, announcing Krebs's firing.
President Donald Trump's campaign has made unsubstantiated claims of voter fraud in several crucial states.
Graham said Saturday that Twitter moderators believe the Department of Homeland Security is more of a threat than the ayatollah of Iran.
"My tweet intended to educate the American people that borders matter and the great things done by the men and women of CBP and [the Department of Homeland Security] as a whole," Mark Morgan said.
"Donald Trump has created, in my opinion, the favorable conditions that have allowed these domestic terrorist groups to rise," Miles Taylor said.
Local officials said federal law enforcement, not police, fired the gas at protesters gathered outside a building of U.S. Immigration and Customs Enforcement.
Department of Homeland Security officers used teargas to disperse protesters in Portland and pointed guns at supporters of Black Lives Matter.
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.
The House Committee on Oversight and Reform called for an investigation into "shocking allegations of medical atrocities" at the ICE detention center.
A total of 781 people have been arrested as a result of the Portland demonstrations, according to statistics gathered in a federal analysis.
"We don't have any authority to do that at the department," Chad Wolf said.
"I can appreciate if they would personally like to see different policies in place," the DHS's Ken Cuccinelli said.
The Government Accountability Office said Friday that the Department of Homeland Security had failed to follow the proper chain of succession, making Acting Secretary Chad Wolf's appointment to the position invalid.
In an interview with Newsweek, DHS Acting Seputy Secretary Ken Cuccinelli said believes racial injustice is a problem in the U.S., but that federal officers were right to crack down on "violent agitators."
Homeland Security Acting Deputy Secretary Ken Cuccinelli said the DHS would take "all necessary measures to ensure the safety of its officers and detainees."
"We have to isolate those individuals where we can do so safely," Mayor Ted Wheeler said. "We need to arrest them, and we need to hold them accountable."
The federal government has faced a series of lawsuits over its Portland deployment.
Between July 4 and 31, federal officers suffered a combined total of 277 injuries, DHS Acting Secretary Chad Wolf said.
Leaving the agency, Matthew Albence said, was "an exceptionally hard decision" to make.