This legislation is the most significant immigration enforcement and border security related bill to pass the Senate in nearly three decades.

The bill will be considered by the U.S. House of Representatives this week before heading to President Trump to be signed into law.

Deporting millions of migrants or enforcing the Laken Riley Act will largely depend on Congress' ability to allocate roughly $100 billion.

The Senate on Wednesday adopted the first amendment to the Laken Riley Act, as Republicans push for a legislative win to open the new Congress. The legislation in its current form would mandate

Under the bill, called the Laken Riley Act, state attorneys general like Ken Paxton would have the ability to challenge federal immigration officials.

If passed, it would require the Department of Homeland Security to detain immigrants without legal status accused of theft, burglary, and other crimes.

The Senate approved a bill known as the Laken Riley Act, which is aimed at expanding the federal government's mandate to detain immigrants who are in the country illegally.

The GOP-led bill, which got some Democratic support, will head back to the House for approval before it goes to Trump for his signature.

The U.S. Senate has passed the Laken Riley Act in a 64 to 35 vote. The bill requires federal immigration authorities to detain illegal migrants, who are accused of theft-related crimes. The legislation is named after a Georgia nursing student who was killed by an illegal immigrant.