; or (II) to have participated in the activities of a criminal gang, knowing or having reason to know that such activities will promote, further, aid, or support the illegal activity of the criminal gang, is inadmissible. (ii) Exception Clause (i) shall not apply to an alien— (I) who did not know, or should not reasonably have known, of the activity causing the alien to be found inadmissible under this section; or (II) whom the consular officer or the Attorney General has reasonable grounds to believe has renounced the activity causing the alien to be found inadmissible under this section.. . (c) Deportability Section 237(a)(2) of the Immigration and Nationality Act ( 8 U.S.C. 1227(a)(2) ) is amended by adding at the end the following: (G) Aliens associated with criminal gangs (i) In general Any alien who the Secretary or the Attorney General knows or has reason to believe— (I) is or has been a member of a criminal gang; or (II) has participated in the activities of a criminal gang, knowing or having reason to know that such activities will promote, further, aid, or support the illegal activity of the criminal gang, is deportable. (ii) Exception Clause (i) shall not apply to an alien— (I) who did not know, or should not reasonably have known, of the activity causing the alien to be found deportable under this section