Ten hours is still early enough that booking may not be complete across all databases. When someone is first arrested, it can take several hours for their information to propagate through the various systems that jails and public databases pull from. Coming up empty early on does not necessarily mean something unusual is happening. The best online resource to start with is VINELink at vinelink.com. It is a nationwide victim and offender notification system that pulls custody data from participating facilities...

All he needs is a postage stamp. He can write a letter back with a piece of paper and a pen without any money on his books, as long as he has a stamp to mail it. If he has nothing at all in his account, most facilities have an indigent inmate program that provides basic supplies including postage stamps to inmates who have had a zero balance for an extended period. The amount is limited, typically enough for a small...

The date is solid as long as nothing disrupts his good time credit between now and then. Good time release dates are calculated based on earned credits accumulated through clean conduct, and those credits can be taken back if an inmate picks up a disciplinary infraction. An incident report that results in a formal finding against him is the main thing that can push that date out. The severity matters too. Minor infractions may result in a small loss of credits...

Call the facility directly and ask to speak with his case manager. Explain that you know he was injured and placed in segregation and that you have not heard from him. Case managers are the primary point of contact for inmate welfare inquiries and can at least confirm his current status, even if they cannot share detailed medical information. If the case manager is unavailable or not helpful, ask for the unit counselor. Another option worth trying is the jail chaplain....