Yes, it's just that simple. Like a cockroach infestation. Don't feed the criminals. Criminals that aren't being fed will soon disappear. Next we prevent them from breeding.
Sterilization is the answer here.
That way you can put the females with the males and it won't make a difference. Last but not least you kill them. If they break out of where ever we put them they are killed. Hey, the prisons are bursting at the seams. We spend trillions of dollars just on crime in the United States every year.