Hacking into someone else's account may violate the Computer Fraud and Abuse Act, state privacy laws, and the Digital Millennium Copyright Act. Contact the local FBI about possible criminal charges and contact Facebook about his violation of their terms and conditions. They may press charges as well for unauthorized use of their system.
[This communication is intended as general information and not specific legal advice, and this communication does not create an attorney-client relationship.]
Mitchell P. Goldstein
Richmond, VA 23230