Brutal murders changed how Valentine's Day is celebrated in a small town in Colorado Springs. Cassandra Rundle, together with her children, Detrick and Melanie Sturm, were found bloody, bound and lifeless. Who did this to them?

References:

https://gazette.com/colorado-cold-case/lonely-hearts/

https://open.spotify.com/episode/4nrlKWb90A9yFLZu0uZbil?si=87c243fe3ca64b89

https://open.spotify.com/episode/4dSBpFBOIJ5VVvWaG3XlTk?si=7460cd78cb60466a

https://gazette.com/colorado-cold-case/colorado-cold-case-episode-2-looks-at-early-days-of-investigation-into-1985-triple-homicide/article_de18ef04-54c5-11ea-ba2b-4335768f1928.html