If there were actually humans in a sub that imploded at that depth they were vaporized instantly. Implosions at that depth are instantly preceeded by an explosion of gases (air) in the vehicle ( oxygen, nitrogen, ect). Counter intuitive I know but thats what happens.
Oh come on. As soon as they recover the bodies...
Oh... wait...
"Bodies of missing Titanic sub passengers may never be recovered, Coast Guard Says"
If there were actually humans in a sub that imploded at that depth they were vaporized instantly. Implosions at that depth are instantly preceeded by an explosion of gases (air) in the vehicle ( oxygen, nitrogen, ect). Counter intuitive I know but thats what happens.