However, during the hearing on the recantations, defense attorneys also argued that Bello and Bradley had lied during the 1967 trial, telling the jurors that they had made only certain narrow, limited deals with prosecutors in exchange for their trial testimony. A detective taped one interrogation of Bello in 1966, and when it was played during the recantation hearing, defense attorneys argued that the tape revealed promises beyond what Bello had testified to. If so, prosecutors had either had a Brady obligation to disclose this additional exculpatory evidence, or a duty to disclose the fact that their witnesses had lied on the stand.