my son has been an addict and i have been trying to get him help but?

he is now arrested for fraud and it was dumb like he wanted to get caught. but he is confused is there anyway i can point out he is very sick?don’t get me wrong i am happy he is caught but would like him to get help should the judge be told he almost died of living on the streets with blood poisioning and staff infection this happen 15mos ago. he was evaluated 72hrs but they released him as he had drugs in his system so could not evaluate . the only thing i found out was he was an out patient and never showed up . he was 22 at the time. should i do nothing? i am afraid just lock him up no help. he was a meth addict at the time and he said recently he never ever done drugs if so he would of been so mental it is unreal. he has looked better as once out we fatten him up and he looked better but never right. not sure on anything or just damaged he is confused in thinking and what day it is. he has lived away from us last 4mos. i want help for him. speaking out help him?