Former teacher, now in jail, gives a living lesson

You don't have to spend much time with Mark Ohrnstein to find him likable, articulate and a potentially great salesman.

What's not so readily apparent about the 38-year-old father of three is that for most of his life he's been an accomplished liar, cheat and a thief, all in the name of fueling his addiction to alcohol and cocaine.

"I've been in jail long before I ever got here," Ohrnstein said, figuratively.

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