CA: Dead player is not put into spectator mode instantly
You're able to observe from your dead body, it will only put you into spectator mode if you click your fire button.
(In warmup you would not respawn until pressing it)
Also if a dead player does not spectate his hud_showname would be laying on the position of his death, still visible to teammates.
As spectator you can end up on the POV of non-spectating-dead player as well.