Daniel LaPlante was just 17 years old when he committed the heinous murder of a mother and her two children. Just months before he murdered the three, he was found living in the walls of a family's home to feed his creepy obsession with the family's oldest daughter. Remember to check your crawlspaces tonight...

Sources:

• https://law.justia.com/cases/massachusetts/supreme-court/volumes/416/416mass433.html

• https://allthatsinteresting.com/daniel-laplante

•  ...