Law enforcement officers can spot illegal immigrants based on their clothes, Rep. Brian Bilbray (R-Calif.) claimed last night.

Speaking on MSNBC's Hardball, Bilbray was defending a new immigraiton law passed in Arizona that would give law enforcement officers the ability to question people about their immigration status if there is a "reasonable suspicion" about whether they're documented.

Chris Matthews asked what criteria law enforcement could use to choose who to ask.

"They will look at the kind of dress you wear, there's different type of attire, there's different type of...right down to the shoes, right down to the clothes," Bilbray responded.

He went on to say that police officers could rely "mostly" on behavior.