New footage of Gaddafi's capture
3 February 2016 Last updated at 00:05 GMT
The BBC has obtained previously unseen footage of the moments just after the capture of Libya's Col Gaddafi on 20 October 2011.
The images were shot by one of the fighters who was there, Ayman Almani.
The footage features in a report by Gabriel Gatehouse who - four years on - has tracked down the men who captured Gaddafi.
Warning: This video contains some disturbing images.
Read more: My search for Gaddafi's golden gun
Watch Gabriel Gatehouse's film on Newsnight on 3 February at 22:30 GMT on BBC Two
A longer version will air on Our World from Friday 20:30 GMT