Karol Kot (18 December 1946 – 16 May 1968) was a Polish murderer who terrorized the city of Kraków between 1964 and 1966. Due to trial evidence and to the seemingly random choices of victims, which included children and elderly people, Kot was nicknamed the Vampire of Kraków. After the trial, in which Kot pleaded guilty to all the crimes with which he was charged, he was sentenced to death on 14 July 1967. After an appeal initially reduced his sentence to life in prison, his sentence was reinstated. Kot was hanged on 16 May 1968. Early life. Kot spent his whole life in Kraków.
https://en.wikipedia.org/wiki/Karol_Kot