According to documents published in the Guantanamo Bay files leak, the US military Joint Task Force Guantanamo believed that Aamer had led a unit of fighters in Afghanistan, including the Battle of Tora Bora, while his family was paid a stipend by Osama bin Laden. The file asserts past associations with Richard Reid and Zacarias Moussaoui.[8][9] Aamer denies being involved in terrorist activity and his lawyer, Clive Stafford Smith, said the leaked documents would not stand up in court. He claimed that part of the evidence came from an unreliable witness and that confessions Aamer made had been obtained through torture.[10][11] Aamer's father-in-law, Saaed Ahmed Siddique, said: "All of these claims have no basis.