The definitive resource on this infamous 1957 cold case.
In February of 1957 the body of what appeared to be a 4-6 year old boy was found inside a discarded cardboard box in the Fox Chase neighborhood of Philadelphia, PA. His nude body was badly bruised, his hair crudely cut. His identity is lost in an abyss. His killer has never been found.
The most recent article I can find on the 1979 murder of Holly Branagan in Bethlehem, PA. It was featured on NBC Philadelphia three years ago.