illegal immigrants. all that's left now is the governor's signature. casey wian reports. >> reporter: the battle over immigration law enforcement in arizona is now being waged on the streets of los angeles. >> may the energy of your earth created without borders for all rise within us and give new life to our struggle. >> reporter: by an illinois congressman who calls it profiling. >> look at my face, listen to my voice. i would probably get picked up in arizona and questioned. is that what we want in america? >> reporter: but arizona sheriffs who traveled to washington, d.c. say it's exactly what they need. >> i'm telling you that most sheriffs, i wouldn't dare to speak for anybody else, but most of us in law enforcement seek welcome this legislation. >> reporter: that legislation allows local law enforcement officers to check the immigration status of anyone they have a reasonable suspicion is in the country illegally. it also makes lacking proper