I would imagine they are real inmates who are part of a program to help deter young petty criminals from the life of crime and prison, if it scares them in to not going down the wrong path in life then I am all for it.
WTF is wrong with people, it really does boil my pi$$ when I see this sort of stuff.
If they can't drive, then they should not have a licence
Hope you get it sorted without too much hassle