Scientist crossbow bug

The scientist in Apprehension, just before the freezer part can be shot from a distance (not entering the chamber) with a crossbow and not die from no more than 8 arrows. Check out his fresh new hairstyle
https://www.youtube.com/watch?v=DeW74eKyvOA
https://steamcommunity.com/sharedfiles/filedetails/?id=100748260
https://steamcommunity.com/sharedfiles/filedetails/?id=100748278
https://steamcommunity.com/sharedfiles/filedetails/?id=100748269

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.