GM Miss Linda Ma'am!!
Nah to the middle east.
Give them a large island in the middle of the ocean somewhere. Tropical paradise.
This way iffen they tries to leave by boat you can just sink the ships. No airstrips allowed.
They are confined this way in their own tropical paradise and cannot travel by foot to any neighboring countries or communities to engage in their horrible acts or recruit more mush heads, like OCU and company...
The premise is good. Round them all up and give them a place to go. Only place better I can think of is North Korea. Send them over their and let them kill each other for control...