[monkeyshine]

He suffers from a mental illness that causes him to go on a murderous rampage of innocent people, so we should let him go free!

[MHGinTN]

A lobotomy sounds like a good compromise. Lobotomize the maniac and teach the resulting drone to rake leaves at a mental facility. A needle with lidocaine HCL and insulin, inserted into the frontal regions via the sinuses should do nicely.