The U.S. Department of Justice, representing the NSA, argued that the law requires the agency to get permission from a court before conducting surveillance on a U.S. resident. The groups asking for the law to be overturned have not established that they are surveillance targets or are in imminent danger of being spied upon, the DOJ argued in a brief.
If the FISA Amendments Act were overturned, the U.S. government's ability to fight terrorism would be crippled, some government officials have said.
Grant Gross covers technology and telecom policy in the U.S. government for The IDG News Service. Follow Grant on Twitter at GrantGross. Grant's e-mail address is firstname.lastname@example.org.