The arrest body cam footage shows how beaten down Chris is with authority figures now. He had Ethan Ralph's gang outside, also knowing that he had an arrest warrant, but still barely put up any kind of resistance. You could see the look in his eyes when the cop pointed the taser at him and asked him if he was going to cause trouble and Chris complied with just a few stupid lines.
As far as that goes, yep, I'm in agreement. Thing is, that was 3.5 years ago, and he's in a very different situation now - particularly in terms of the influences in his life. Prescriptions are one of those influences. We'll never know for certain since the records are sealed, but I have a suspicion that the court ordered him to seek and maintain treatment for his various psychological (and psychiatric) conditions.
Assuming this is correct, he's almost certainly been prescribed psychoactive medications. At a minimum, something for anxiety and something for depression. He may also be on something for bipolar disorder and schizophrenia, though I'm somewhat skeptical regarding the latter. ADHD is also a possibility. Having said that, a lot of what we're seeing can be explained by the 'tism, so attributing armchair diagnoses to his behaviour isn't necessarily going to be at all accurate.
However, his history of dealing with authority figures does typically end in an outburst with negative consequences for Chris, so it wouldn't be out of character for him to go off on the wrong person and end up in jail again. By no means do I think he'd do something as extreme as going on a shooting rampage or similar, but I could see him mouthing off to the wrong person, stepping up to them when told to leave, getting a fist in the nose for his trouble, and sitting on the floor whimpering while the cops are en route to haul him off.
