I'd never heard of this story, so did some googling to find out about it. I came across the whole story online (or at least I assume it's the whole story?):
http://instruct.westvalley.edu/lafave/hb.html
Wow! That really does make for interesting reading!! Kinda scary, and a tad surprising that Harrison hadn't had that happen before...
(leaving out details of what happened - read the stoy. It's one hell of an eye opener!