The trouble with that is that "Felony" is continually redefined.
The word implies crimes like murder and robbery, but it can just as well mean that someone was late on their alimony payments too often, or sold a pound of pot when they were 20, or ran afoul of the IRS.
I would not hire someone who was likely to empty the till, or kill me with an ax, but I would at least consider doing so if someone had comitted a "Paper" felony.
Anyone that sells a pound of pot needs the Singapore treatment.