Sawney Beane

What’s the Straight Dope on the alleged Scottish outlaw and cannibal Sawney Beane, who has been said to have killed anywhere from a few dozen to a thousand travellers during the rule of James I?

Here is a sensational retelling of his life…but how much, if any, is true? Thanks.

Here’s a recent thread.

http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=131604