The hands supposedly was to make it hard to identify the body.
Wouldn't make a difference today with DNA and all.
As far as why? Who the fuck knows. But it's not like they pulled his teeth, so I doubt it was for identification purposes. Then again, these guys aren't rocket scientists. Maybe they never heard of dental records .
"I got news for you. If it wasn't for the toilet, there would be no books." --- George Costanza.