Tail Dragger May 1993

Tail Dragger on the Crossroads stage at the Chicago Blues Festival as part of the Delta Fish Market Band.  A few weeks after this show, he shot and killed fellow performer Boston Blackie in a dispute over money from this performance.  Tail Dragger claimed self defense, but was convicted of second degree murder and served 17 months.
Here's a link:  http://articles.chicagotribune.com/2006-11-10/entertainment/0611100241_1_howlin-wolf-local-blues-scene-blues-fest