Conversation so far:
What was Hill an informant for?
Hill testified against his former associates to avoid a possible execution by his crew or going to prison for his crimes.
Did he testify?
His testimony led to 50 convictions.
Did he have to go into witness protection?
Hill, his wife Karen, and their two children (Gregg and Gina) entered the U.S.
Marshals' Witness Protection Program.
Where did he move to?
undisclosed locations in Omaha.
Did he have to move around a lot?
Nebraska; Independence.
Was he safe while in witness protection?
Hill repeated the same breach of security, causing the government to finally expel him from the Federal Witness Protection Program.

Question: What did he do to get kicked out?
Self-contained rewrite: What did Henry Hill do to get kicked out of the Federal Witness Protection Program?