Human Rights Watch : Gadhafi should investigate rebels who killed Gadhafi forces . Witness in Libya inner circle describes dictator on the run , eating food in empty houses . Trying to escape , the leader 's guards threw grenades but more than 100 bounced back and exploded . When it set out , it came under heavy attack . A mob descended on Gadhafi Fourth of July , but it 's still unclear how he died , Human Rights Watch says .
Human Rights Watch : Gadhafi should investigate rebels who killed Gadhafi forces . Witness in Libya inner circle describes dictator on the run , eating food in empty houses . Trying to escape , the leader 's guards threw grenades but more than 100 bounced back and exploded . A mob descended on Gadhafi Fourth of July , but it 's still unclear how he died , Human Rights Watch says .