These people may even benefit from over policing wrt kickbacks from private prisons. For example, Marco Rubio [0] is a top recipient of money from the private prison lobby, and he's run attack ads wrongfully saying that his political opponents want to abolish police, and he himself ran on a platform pushing for larger police budgets.
0 - https://www.opensecrets.org/industries./indus.php?ind=G7000