The demonstrators also announced a Freedom of Information lawsuit to force disclosure of the extent of a program called Secure Communities, which partners local police with immigration enforcement in the Department of Homeland Security.

VOA: standard.2010.04.28

Recently, a group of three national immigration advocacy groups claimed to have found evidence that, in California, Secure Communities isn't just reserved for violent criminals.

CNN: Don't deport the 'tamale lady'

By relying on the controversial program Secure Communities, which requires local police to submit to federal officials the fingerprints of anyone they arrest who they suspect is in the country illegally, his administration roped local police into the enforcement of federal immigration law over the objections of prominent Democrats such as Massachusetts Gov. Deval Patrick and New York Gov. Andrew Cuomo.

CNN: Obama's immigration policy a shell game

"We cannot secure safer communities on our own and I will also be engaging with a range of partners to increase our capability to protect everyone in our force area, " he said.

BBC: Dyfed-Powys PCC: People power 'fuels anti-crime drive'