CINEMAX LIMITED DRAMA SERIES RELLIK DEBUTS APRIL 13 What are the experiences that forge the people we become? RELLIK, a six-part limited series told in reverse, debuts FRIDAY, APRIL 13 (10:00-11:00 p.m. ET/PT), exclusively on CINEMAX. Richard Dormer (HBO’s “Game of Thrones”) stars as Gabriel Markham, a relentless U.K. police detective bent on tracking down the serial killer who left …