It sounds like he's already over the edge - either through drugs or his menal illness, (Which none of us can tell from over the net). Since it is so extreem already, what is your timeline for these consequences? You've done #1; when is #2 going to fall?
I'm so sorry for your pain. I honestly do know what you're dealing with.
I pray the two of you continue to hold a united front for your son's sake.
Have you been to our friends and faimlies of addicts forum? You'll find lots of support there too. I urge you to go to some alanon or naranon meetings and get some face to face support too. You'll find plenty in NY; they are listed online. These meetings literally saved my life at a time I thought I was going crazy because of the chaos brought about by my son's addiction and mental illness.
Stay strong. Know that this is an illness. You didn't cause it; you can't control it and you can't cure it. But, you can cope with it. And you can detach from the chaos with love.
Continue to post. We are here for you. We care.
Shalom!