I looked into this recently for another case. Some inmates use TRULINCS, then get a friend or family member to manage a social media page on their behalf.
In 2009, the Federal Bureau of Prisons introduced the
Trust Fund Limited Inmate Computer System (TRULINCS), an email server for prison inmates. It is a secure system where an inmate can only send and receive messages to people on a pre-approved contact list without actually having access to any of the other services or abilities of the Internet. TRULINCS is run by a privately-owned company,
Corrlinks.
Other methods are described in this article.
In the United States, prisoners have fairly limited access to the Internet when compared to other nations. They are not even allowed to use it for educational purposes. However, some American prisoners still find a way to use social media in prison. There are a few ways in which prisoners...
www.ranker.com