He says that the actions that Mahone takes are affected by "some of the things that Mahone has in the back of his closet—and in the back of his mind, the voices he is hearing about his own life." Andy Dehnart of MSNBC observes that Mahone, "as played by William Fichtner, always seemed to be on the edge of a nervous breakdown."
According to the text, Mahone's actions are influenced by both tangible and intangible factors. He is driven by things he keeps in his closet and by internal voices that relate to his own life.  Andy Dehnart from MSNBC notes that William Fichtner's portrayal of Mahone suggests a character on the brink of mental collapse.