He makes his first actual ( though brief ) appearance in season 5 .
In the official document , he is still the present mafia leader , and in season 4 Kirenenko gets in touch with him via video call .
mafia leader makes mafia leader 's first actual ( though brief ) appearance in season 5 .
In the official document , he is still the present mafia leader , and in season 4 Kirenenko gets in touch with him via video call .