Help Free a Son Battling Bipolar Disorder

My son is bipolar he is struggled with it all of his life he was doing real good he went and got medication the right medication he was going to church with me and on the 4th of July he got pulled over and found out he had one from an argument that him and his girlfriend got into and the police officer went down and tried charges against him and now he's in jail I am trying to raise $4,000 to get him out please if you have a son that has problems please help me I have till July 18th to raise this money that's when he goes to court I'm about ready to lose my mind not knowing what to do we paid $3,000 for his attorney