The Blacklist 6x22 -

Years prior, while campaigning, a drunk Robert Diaz struck and killed a mother and child with his car. He and McMahon used a fixer to cover it up.

The core conflict of the episode revolves around and his advisor, Anna McMahon , who orchestrate a plot they claim is an assassination attempt on the President. However, the Task Force eventually discovers the true target is the First Lady, Miriam Diaz . The Blacklist 6x22

While the Task Force deals with the White House, Red meets secretly with a mysterious man referred to as (played by Brett Cullen). Years prior, while campaigning, a drunk Robert Diaz