Sources:

Burlington Free Press Article: https://www.burlingtonfreepress.com/story/life/2022/10/28/northfield-pigman-joseph-citro-digs-into-the-legend-devils-washbowl-vermont/69590062007/

Reddit story on r/nosleep: https://www.reddit.com/r/nosleep/comments/17fkks/the_pigman_of_northfield/

New England Folklore Blog: https://newenglandfolklore.blogspot.com/2011/05/pigman-of-northfield-vermont.html