Who is Keith Ellison? (7)

In this morning’s Star Tribune story by Margaret Zack, DFL-endorsed Fifth District congressional candidate Keith Ellison appears as the attorney defending Lamar Lucky Smith, a man charged with the cold blooded murder of (I gather from the story) illegal immigrant Martin Ruiz in Minneapolis last summer: “Two go on trial for ambush killing.” The murder is described by Minneapolis’s former police chief as an execution in cold blood.