[JURIST] The US Department of Justice (DOJ) [official website] on Tuesday initiated a grand jury investigation into the torture and death of a detainee at Abu Ghraib prison [JURIST news archive] in Baghdad. Manadel Al-Jamadi was captured [JURIST report] by US Navy SEALs on November 4, 2003 and held in Abu Ghraib prison as a "ghost detainee," or unregistered prisoner, for his suspected involvement in the bombing of a Red Cross center in Baghdad that killed 12 people. Ninety minutes…