The poster works in manufacturing.
I'd also point out that I don't quite understand why manufacturing hires should involve wanted criminals...
Disclaimer: Family business (that I am not part of, but do tend to frequent) is a machine shop.
Ok, fair enough, although I submit that is pretty much the lowest working definition of a tradable skill.
I was, am, in the Navy. Have had to go to the jailhouse with sailors, and have had contract work finished late because the pipe fitters, welders, etc, put valves in backwards, forget to weld before charging the system, etc.