and here is a script that might be helpful , i made it
function playerhurt ( attacker, weapon, bodypart, loss )
if not (getElementData(source,"armor")) then
if ( bodypart == 9 ) then
killPed ( source, attacker, weapon, bodypart )
setPedHeadless(source, true)
setTimer( setPedHeadless, 30000, 1, source, false)
setPlayerNametagShowing ( attacker, false )
setTimer( setPlayerNametagShowing, 60000, 1, attacker, true)
setElementAlpha ( attacker, 15 )
setTimer( setElementAlpha, 60000, 1, attacker, 255)
end
end
end
addEventHandler ( "onPlayerDamage", getRootElement (), playerhurt )