Martian Manhunter, Vol. 3 #8

J'onn confronts the government agent behind the capture and torture of the white Martians and, despite his bargaining, secures evidence of his crimes.J'onn hunts for the last white Martian, Till'all and offers himself as bait; J'onn convinces him that they need to work together and that they can overcome their differences.With one last green Martian to find, J'onn discovers it to have been Sara all along; posing as Sara, the Martian Cay'an blames J'onn for his brother's actions in releasing the plague that destroyed their world. They battle but, in the end, Cay'an manages to escape.J'onn introduces Till'all to the Justice League