Internet Community Helps Crack Grandma's Code When a brain tumor took away Dorothy Holm's ability to speak, she picked up index cards and began filling them, edge to edge, with seemingly random, indecipherable sequences of letters. Her grandchildren saw her scribbling and thought she was leaving them a code — but it was one the preteens couldn't crack.

More From WCCO | CBS Minnesota

Best Of Minnesota
Good Question
Ski Report

Listen Live