[TheRealVille]

no they can't

2. requires law enforcement, in making a lawful stop, detention, or arrest for another law, to make a reasonable attempt to determine the person's immigration status where reasonable suspicion exists that the person is not lawfully present in the country;

http://www.cga.ct.gov/2010/rpt/2010-R-0213.htm

That's my point though. Most people on the right say they want people profiled by how they look. If you look Mexican, "you might just be an illegal, so proved to me you are an American."