Criminal Law Questions? Ask a Criminal Lawyer.
Yes... but you might need to file it as his "next friend".... further, there maybe an angle for the ACLU here...
Can you afford to consult with a local lawyer?
You need to get a lawyer involved for him.. Whether its a pro bono or pay lawyer, you need someone to get him out of the system and make sure he gets his meds.
Try http://www.legalmatch.com/ and http://www.legalfish.com/ and http://www.lsc.gov/