WASHINGTON (AP) — Former FBI Deputy Director Andrew McCabe drafted a memo on circumstances leading up to the firing of his onetime boss, James Comey, a person familiar with the situation told The Associated Press.

The person spoke on condition of anonymity Wednesday to discuss a secret document that has been turned over to special counsel Robert Mueller. His team is investigating whether the Trump campaign coordinated with Russia during the 2016 presidential election and whether the president sought to obstruct that inquiry through actions including the firing of Comey last May.

The memo conce...