Over 30 states allow ex cons to vote.
Voting Rights Restoration Process
If you or any other member of that category believes that voting for conservatives is what is best for you, I say welcome and thanks.
Thanx
"Michigan
Automatically restored upon release from confinement; felon must register to vote."
It's not quite that simple but it's close. A parolee or probationer is also inelgible and all voters must be registered.