The witness list for the bribery case against Gary and Sherry Pierce, Jim Norton and George Johnson is a who’s who of Arizona politics.

The legal fate of a former utility regulator, the head of a utility and a lobbyist facing bribery, conspiracy and fraud charges could depend on whether jurors believe the lobbyist's former wife.

An attorney representing indicted lobbyist Jim Norton said in court today the lobbyist’s ex-wife provided more than 250 pages of documents to the federal investigation that also includes former Arizona Corporation Commissioner Gary Pierce, his wife Sherry Pierce and Johnson Utilities owner George Johnson.