"This is, however, not going to be solved overnight," the vice president said.
"The policies are not working as of right now," Brandon Judd, the president of the National Border Patrol Council, said.
The Democrat has warned that monthly migrant numbers at the border are likely to rise in late spring.
Mass amnesty with no increase in border security and the promise of less enforcement will have one side effect: unifying and galvanizing Republicans.
President Donald Trump pledged to build 450 miles of new wall along the country's southern border by the end of the year.
"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.
No self-identified members of the loosely-affiliated Antifa protest movement have committed any murders or terrorist attacks.
The Department of Homeland Security has gone on a "shopping spree" over the past two months.
Federal authorities have an internal system that allows them to identify each officer, CBP Acting Commissioner Mark Morgan said.
The DHS OIG issued the warning in a scathing report on CBP's acquisition capabilities to secure the southern border.
The Trump administration has seen 240 miles of border wall built, according to the president.
CBP's Air and Marine Operations team is also providing "situational awareness" in the D.C. area, Buffalo, Chicago, Detroit, El Paso, Miami and San Diego.
Marijuana worth $632,000 was found inside the commercial shipment intercepted at the Pharr International Bridge cargo facility in Texas.
The FBI and DEA also saw a drop in criminal referrals during the same time.
U.S. Customs and Border Protection said officers intercepted a tractor-trailer at the Pharr International Bridge cargo facility in Pharr, Texas.
ICE and CBP would be "reformed from top to bottom" under Sen. Elizabeth Warren, said Texas Rep. Joaquin Castro.
Man who was trying to flee his trial for alleged drug offenses stopped at Newark Liberty International Airport before attempting to flee again.
Senator Elizabeth Warren has joined calls for Shahab Dehghani's deportation to be halted.
Dozens of Iranian Americans say they were detained and questioned at the U.S.-Canada border last Saturday.
"When we hear story after story of Iranian Americans being singled out...it is hard to call it anything other than racial profiling," said Washington Lt. Governor Cyrus Habib.
The Council on American-Islamic Relations' Washington chapter said it has identified more than 60 reported cases of Iranian-Americans and others of Iranian descent being detained by U.S. border officials.
U.S. Customs and Border Protection joined several government agencies in marking Christmas Day, but their Santa Claus immigration reference angered many who responded that hundreds of migrant families remain separated at the border.
The U.S. Customs and Border Patrol agency is accused of detaining and interrogating travelers without valid justification.
The Congressional Hispanic Caucus held a press conference Tuesday calling for flu shots to be provided for detained migrants, after a 16-year-old Guatemalan boy died of the flu while being held by U.S. Customs and Border Protection.
Officers from the U.S. Customs and Border Protection thwarted the human smuggling attempt at the San Ysidro port of entry.
"People are needlessly suffering and dying," said Dr. Marie DeLuca, one of the doctors offering free flu vaccinations.
"Jakelin's death was a travesty; a dark stain on the moral fabric of this country," said Texas Rep. Joaquin Castro.
"I found it really distressing to see a child who has treatable illness, a preventable illness, suffering," said Dr. Marie DeLuca, an emergency physician from New York City.
Dudley Bernard, 40, was taken into custody after his wife, Chauntelle Bernard, was found with multiple gunshot wounds.