No cab driver has ever been any of those in the history of cabs.

[0] http://nypost.com/2014/02/09/cabbies-who-kill-or-maim-in-nyc...

[1] http://www.foxnews.com/us/2013/07/14/nyc-cab-driver-on-loose...

[2] http://abcnews.go.com/2020/story?id=132684