It also requires local police, after making a "lawful contact", to check the immigration status of people who cause "reasonable suspicion", and to arrest them if they lack documents.

Once plugged in, they turn on their televisions and, if they are rich enough to have computers, check their e-mails or contact relatives on Skype.

It would require all non-US citizens to carry documents proving their immigration status, and would require police to check those papers in any contact with anyone who might be illegal.