To amend the Immigration and Nationality Act to indemnify government employees, and employees entities that have contracts with such governments, from certain judgements for acting within their capacity to comply with their official duties and responsibilities, and other purposes.

Keep Our Cities Safe Act of 2018 This bill amends the Immigration and Nationality Act (INA) to protect from criminal penalties a federal, state, or local government officer or employee, or a contract entity officer or employee, who while acting in accordance with state or local law is engaged in conduct which would otherwise violate the INA prohibition on bringing in and harboring certain aliens.