Murderers and their Mothers: Leszek Pękalski: The Vampire of Bytów Wykresy i Statystyki Steam

One of Poland’s most notorious serial killers, Leszek Pekalski, confessed to murdering dozens of people - men, women, and children - but later recanted all but one of his confessions. What role did his mother's heavy drinking while pregnant and later abuse and neglect play in Pekalski's evolution?