under the advice of mental health professionals and/or his lawyer, so no new letters have been posted.
it's not advice, it's legal obligation.
If you are a ward of the state you have zero rights outside of basic necessity. Chris doesn't get to listen to someone and debate if he wants to do it. It's not prison m8.
The therapy and/or clinic team is made up of three entities.
1. You have a group of interns, specialist, etc who make recommendations.
2. The actual presiding Doctor (authority)
3. A government official that deals with the public relations and legality (child services would be an example of such an official, there are many types of officials who fit this role).
2>=3>1.
If the group determines that Chris is not to have outside contact. He legally has no rights to outside contact. The reason for this is simple. Prison is a punishment. A ward of the state is someone who is either a danger or in danger to such a degree that to protect the lives of others or the ward itself constitutional rights must be broken for the greater good.
Chris has a more than a decade easily of being deceived online, on the phone, and in person. there was a good chance his lawyer used this information alongside passing it onto the medical team as part of his punishment/treatment. They would assuredly restrict all conversation with the outside world.
You can be held indefinitely as a ward of the state also. If your treatment is suppose to be initially 1 month, but you don't show the improvement "they" want. They can increase confinement and add restrictions with no oversight as they see.
Unless specifically determined by a court that he must be released regardless of the treatment.
This is really the only answer as it's constitutionally illegal to withhold mail if you're held by just a prison. I don't see Chris not writing to anyone if he had the option or not taking a phone call.
They may also have him regularly dosed with thorazine. that is not uncommon in low-moderate detox/holding clinics.