From the AP's "ACLU sues for access to records on immigration sweeps":

A lawsuit by the American Civil Liberties Union seeks access to public records involving the arrests last summer of more than 400 illegal immigrants in Riverside and San Bernardino counties.

In June, a small group of Temecula-based Border Patrol agents set off a panic among immigrants by beginning to patrol and arrest people in cities far north of the border, including Corona and Ontario.

The next month, the ACLU filed a Freedom of Information Act request seeking information about whether the Border Patrol was acting lawfully. The organization asked for details about the people involved and their interactions with the Border Patrol, methods used during the sweeps, records of involvement by local and state law enforcement, and communications approving the patrols...

Previous coverage of the sweeps and the townhall meeting they engendered starts here. If you aren't familiar with the backstory, click the link.

I note the story says "set off a panic among immigrants". Perhaps they should have said "set off a panic among illegal immigrants". If you think that's the correct wording, contact readers.rep@uniontrib.com or feedback@ap.org .