In Colorado, Harold Henthorn faces federal murder charges for the death of his second wife.
Two years ago, Toni Henthorn plunged to her death during a hiking trip to the Rocky Mountains. Her husband claims the fall was accident.
Now, authorities are taking a closer look at the death of his first wife, who died in a freak accident 17 years earlier.
Anna Cabrera is OutFront in Denver with the latest on the case against Harold Henthorn.