Here is a link to a news story from 2003, it may be old news but if you have not read it, it is worth reading. The title is Overzealous Civil War re-enactor undergoes field amputation:
In short this reenactor not only shot and killed a reenactor's horse but, then talked another reenactor into shooting him with a live 58 cal mini. After the leg became Gangrenous did he talk reenactors at another event into removing the leg for real in front of the audience.
I have pulled a tooth at an event and performed other real life medical functions in line with my training as a paramedic but this is above and beyond any form of sanity.
Let me know what you