Hundreds gather to denounce bill signed Friday by Gov . Jan Brewer . New law requires police to determine whether a person is in U.S. legally . Arizona Gov. Jan Brewer signs controversial immigration measure into law. Chanting `` Yes we can , '' waving American flags and holding signs reading ` Kearny Police Chief Joe Martinez called critics ' concerns unfounded .
Hundreds gather to denounce bill signed Friday by Gov . Jan Brewer . New law requires police to determine whether a person is in U.S. legally . Arizona Gov. Jan Brewer signs controversial immigration measure into law. Kearny Police Chief Joe Martinez called critics ' concerns unfounded .