CNN CNNI Simulcast December 7, 2014 10:26:00
Opposed to being face down. >> reporter: that's the mistake the lawyer sees when he sees the take down of eric garner. the victim is falling forward. >> dragging him forward hil this guy has got him sort of pulling him backwards and so it adds more pressure against that wind pipe. >> reporter: there's another problem with choking off oxygen. the victim's inability to breathe. >> the adrenaline response kicks in. the body does what it can do to get air in the lungs. >> reporter: causing officers to apply more force in a deadly escalation. chokeholds can be extremely effective. but experts say g...