Whether Tom Horne is guilty or innocent of the many allegations he has faced in the past several years, his historic defeat in the Republican primary can be traced back to one fateful decision halfway through his first year as attorney general.

The hotly anticipated rematch between Tom Horne and Felecia Rotellini will not come to pass. Instead, Rotellini will take on former Arizona Department of Gaming Director Mark Brnovich in the attorney general’s race.

In a case with statewide and possibly immediate impact, the Arizona Court of Appeals ruled Thursday that “dark money” groups can be forced to disclose the source of their cash even if their commercials don’t specifically advocate for anyone’s election or defeat.

Beleaguered Attorney General Tom Horne, who is facing legal and campaign woes, raised a dismal $52,000 from individuals and political committees in the first five months of this year.

Democrat Felecia Rotellini said Monday she's ready to take on either Arizona Attorney General Tom Horne or his Republican primary opponent in the November general election with a full war chest.

Attorney General Tom Horne said he does not believe the renewed charges he violated campaign finance laws in getting his office will undermine his bid for reelection.

An administrative law judge is expected to issue a ruling early next week on whether there's enough evidence to conclude Arizona Attorney General Tom Horne illegally coordinated campaign spending with an aide running an independent group during his 2010 campaign.

Testifying in the campaign finance case against him, Attorney General Tom Horne emphatically and repeatedly denied that he illegally coordinated with an independent expenditure campaign.

Several witnesses and a previously undiscovered recording of an FBI interview in the campaign finance case against Attorney General Tom Horne refuted portions of the prosecution’s case during the second day of testimony in the Office of Administrative Hearings.

FBI Agent Brian Grehoski was the star of the show as Yavapai County prosecutors and Tom Horne defense attorneys squared off for the first day of hearings in the attorney general’s campaign finance case.