You can't kill someone by applying pressure to the back of their neck. You need to simultaneously apply pressure to the front as well.

This was not done as clearly shown on the video. Flyod's head was turned, he could breathe perfectly fine as evident by him not shutting the fuck up for 15 mins straight.

You can't talk when you are being choked. A choke means your airway has been cut off.

You are either incredibly stupid or a troll.