Doctors completed an autopsy of Moammar Gadhafi on Sunday, with the chief pathologist confirming the former Libyan leader died of a gunshot wound to the head. Dr. Othman el-Zentani would not disclose whether findings revealed if Gadhafi suffered the wound in crossfire or at close-range -- a key question that has prompted the United Nations and international human rights groups to call for an investigation into the final moments of the late Libyan strongman's life. Doctors performed the autopsy at a Misrata hospital in the presence of officials from the prosecutor's office, Zentani said. Autopsies were also conducted on the bodies of Gadhafi's son, Mutassim, and his former defense minister, Abu Baker Yunis. No foreign or independent officials were present, Zentani said. The autopsy report will go to the attorney general's office before it is released to the public, he said. Meanwhile, the three bodies would likely return to a cold storage unit at a Misrata meat market for public viewing, Zentani said. Long lines of people turned up all weekend long to view the corpses. Gadhafi's family issued a statement Friday calling on the United Nations and Amnesty International to push Libya's new leadership to hand over the bodies of the martyrs of their tribe so they can be buried according to Islamic rites, a pro-Gadhafi TV station reported. Gadhafi's death Thursday solidified the power