Chaidez v. United States, 133 S.Ct. 1103 (Feb. 20, 2013) (A petition for a writ of coram nobis provides a way to collaterally attack a criminal conviction for a person, like Chaidez, who is no longer in custody and therefore cannot seek habeas relief under 28 U.S.C. 2255 or 2241. See United States v. Morgan, 346 U.S. 502, 507, 510"511, 74 S.Ct. 247, 98 L.Ed. 248 (1954).