<Tr> <Td_colspan="2"> List of Burn Notice episodes </Td> </Tr> <P> The sixth season of the American television spy drama Burn Notice premiered on June 14, 2012 on the cable television channel USA Network . </P> <P> John C. McGinley appeared in six episodes as Tom Card, Michael's original CIA trainer . Taryn Manning appeared in one episode as one of Fiona's fellow prisoners . Jere Burns and Kristanna Loken returned to the series for multiple episodes as Anson Fullerton and Rebecca Lang, respectively . Lauren Stamile and Alex Carter also returned to the series as Dani Pearce and Jason Bly, respectively . Faran Tahir appeared in the third episode as Ahmed, a ruthless Lebanese agent . William Mapother appeared in the sixth episode as Garret Hartley, a mercenary hired to kill Barry (Paul Tei). Richard Burgi appeared in the seventh episode as a villain who has targeted Evan (Brando Eaton), the troubled son of Sam's new sugar momma, Elsa (played by Jennifer Taylor). Angélica Celaya guest starred in the ninth episode of the season as Angela Flores, a woman whose boyfriend is accused of illegally trading weapons on the black market . Chad Coleman appeared in the tenth episode as Brady Pressman, a CIA operative who, after failing in his mission to capture Anson alive, hopes to set things right . Also appearing in the tenth - to - twelfth episodes was Kenny Johnson as Tyler Gray, the trigger man behind the death of Michael's brother . </P> <P> Patton Oswalt and Sonja Sohn each had guest appearances during the winter season . Oswalt appeared in episodes 14 - 16 as Calvin Schmidt, a smuggler whom the team contacts for help in escaping the country . Sohn plays Olivia Riley, a high - level CIA director who "literally (wrote) the book on counter-intel training and procedures", and she appeared on a recurring basis beginning with the thirteenth episode . </P>

Who killed michael's brother on burn notice