A bounty can be reward money paid for killing someone, often a criminal or outlaw. By calling the U.S. government’s restitution money a bounty, Cyrus is joking about how the U.S. government confused Flight 655 with a military target—that the government treated his mother like a dangerous person who would have a bounty on her head. Cyrus’s dark humor about one of the formative tragedies of his life shows how he copes with humor, while also suggesting that perhaps this humor is a way for him to avoid thinking too much about darker truths.