Who is they?
The US Health inspection board shut down several food factories since they were violating many rules and regulations.

A:
several food factories

Who is he?
Harrison looked into illegal accusations against his partner, Bryan, but he may of been falsely accused.

A:
Bryan

Who is they?
The Minecraft developers managed to win their case regarding copyright infringement against Bethesda Studios since they did not violate any laws.

A:
The Minecraft developers