1. Short title This Act may be cited as the Protecting Our Communities from Gang Violence Act of 2018 . 2. Criminal gang members and supporters disqualified from good moral character provision Section 101(f) of the Immigration and Nationality Act ( 8 U.S.C. 1101(f) ) is amended— (1) in paragraph (8), by striking or at the end; (2) in paragraph (9), by striking the period at the end and inserting ; or ; (3) by inserting after paragraph (9), the following: (10) one whom the Secretary of Homeland Security or the Attorney General determines, in the unreviewable discretion of the Secretary of Homeland Security or the Attorney General, to be an alien who— (A) is or has ever been a member, associate or affiliate of, or who has ever provided material support to, a criminal gang; or (B) is or has ever been a member, associate or affiliate of, or who has ever provided material support to, a criminal street gang as defined in section 520 of title 18, United States Code.