July 31, 1826 - Juhani Aataminpoika

Juhani Aataminpoika (Finnish pronunciation: [ˈjuhɑni ˈɑːtɑminˌpoi̯kɑ]; born 31 July 1826 – September 1854) alias Kerpeikkari (Finnish: [ˈkerpei̯kːɑri]), was a Finnish serial killer. He killed 12 people in southern Finland between October and November of 1849.

Content sourced from en.wikipedia.org/wiki/Juhani Aataminpoika under CC BY-SA 4.0.