A Minnesota cold case solved: The murder of Heidi Firkus featured on ABC's 20/20

Nicholas Firkus was sentenced in April for the murder of his first wife. The episode, 'Stranger in the House,' can be viewed now on Hulu.

Related Keywords

Minnesota ,United States ,Ramsey County ,Nicholas Firkus ,Heidi Firkus ,Heidi Firku , ,Ramsey County Jail ,