I'm even more sure now that this isn't going to work. You can't manipulate the player after he dies in a single-player game. It just doesn't work that way.
This page should help out with what specific entities can and cannot do...
You need to think of the Deleted Scenes missions as a Half-Life total conversion, as opposed to a branch of Counter-Strike. Very little functionality is shared between the two. Things like spectating and respawning that you would see in multi-player games/mods generally are not going to be supported in DS.