The upcoming court battle will demonstrate whether the 6-3 conservative Court will uphold precedents set since 1973.
Democratic senators criticized the FBI for not looking into the tips, calling the process “misleading as hell.”
The Arkansas law would only allow abortions for people who had health risks during their pregnancy.
Upwards of 35 percent of people in the U.S. could lose access to abortion in June 2022.
With a fragile 50-50 control of the Senate, some Democrats want Breyer to step aside and let Biden pick a new justice.
The Supreme Court is set to review a Mississippi law banning abortion after 15 weeks of pregnancy.
At age 82, Stephen Breyer is the Court’s oldest justice, and just one of three liberal bloc members on the bench.
The report by the Project on Government Oversight comes eight months after Amy Coney Barrett was appointed to the Court.
The Supreme Court’s decision to uphold two Arizona voter suppression laws sends a dangerous signal to other states.
“The Court has damaged a statute designed to bring about the end of discrimination in voting,” Justice Elena Kagan said.