"Officials of the Transitional National Council told reporters later Thursday that Colonel Qaddafi had been killed in a crossfire when a gunfight erupted between his captors and his supporters in Surt — making the argument that he was not killed intentionally. Forensics experts outside of Libya who viewed photographs of the bullet wound to his head, said it appeared to have been caused by a small handgun."
Here is something interesting. In 1987 a sitcom called 'Second Chance' showed Qaddafi dead in 2011, check it out:
Below is a unverified video of what appears to be Qaddafi's lifeless body: