Conversation so far:
How is Henry Hill connected to an Informant?
Henry Hill became an FBI informant, and his testimony helped secure 50 convictions, including those of mob capo (captain) Paul Vario and James Burke on multiple charges.
When did Henry Hill become an FBI informant, and his testimony help secure 50 convictions happen?
Henry Hill became an FBI informant in 1980

Question: What did he receive in exchange for testifying?
Self-contained rewrite: What did Henry Hill receive in exchange for testifying?