Jeff Gelles: MoneyGram deal helped shed light.
Posted on Sunday, Nov 18, 2012
Karen Luther first heard about becoming a "mystery shopper" from a friend and couldn't help being intrigued. In her 50s and disabled by spinal injuries, she had no prospects of returning to work as a nurse's aide. If she could earn a few extra dollars shopping for life's necessities, it sounded like a gift.