He used to be a great person, and looked up to him at one point or another. The shity side of him didn't start until after he started with drugs.

Again. Your uncle is capable of those things bc of the person he is. Not bc of the drugs he's on. I don't mean to demean or slander him, but its just a fact of the matter. If someone gets a DUI, its the persons fault, not the booze. Same here. Ive done plenty of substances. I've seen addicts. I've seen addicts not steal from their family. Again, I sent my condolences that you have been thrust into this awful situation. But lay the blame accordingly. Enabling is a thing and you don't want to do it