This week we wrap up the "birthday cake killers" with the rest of these two turds' crime spree.....

Sources:

https://www.oxygen.com/charmed-by-the-devil/crime-news/douglas-gretzler-willie-steelmans-killing-spree-of-17

https://www.cbsnews.com/sacramento/news/roseville-yard-disaster-memories-still-smolder-50-years-after-explosion/ ...