[USA, 2012] - 20 year old young woman now permanently brain-dead and comatose (and doctors say she'll never regain consciousness ever again) after being tased / tasered while she was already in handcuffs. Watch the video and note carefully the tremendous impact of her head hitting the ground, resulting in her now permanently brain-dead.
[video=youtube;gGEeF0t3jSI]https://www.youtube.com/watch?v=gGEeF0t3jSI[/video]