his name is floyd a. stocktonvestigators say was living in bill rothstein on the day of the bank robbery. he goes by the name jay. >> jay stockton is a convicted rapist, serial sexual battery of his wife, and he's out there, he's out there, people. >> he is the only one left alive and sane enough to tell the truth she believes. yet the federal government has allowed him to go free. >> they know that my brother's innocent, 100%. and they know that bill rothstein, jay stockton are the co-conspirators in this crime that killed brian. the case say floyd stockton was deeply involved in the plot, barnes saying the day of the crime, he went in and got the bomb and handed it to rothstein. when the u.s. district attorney was asked buy -- after our initial phone call, buchanan never talked to us again and at a news conference in erie, the current u.s. attorney, david hickston wasn't talking either. >> marjorie deal armstrong's attorney says there's good reason why the u.s. attorney and the fbi want to keep quite by james st