Joseph "Mad Dog" Taborsky made criminal history as the only person to be put on death row not once, but twice! While he was the last person in New England to be put to death by electric chair, his crime spree impacted the state of Connecticut long after he was gone. 

Sources:

https://en-academic.com/dic.nsf/enwiki/315784

https://www.courant.com/news/connecticut/hc-xpm-2005-01-02-0501020480-story.html

https://www.courant.com/news/connecticut/hc-xpm-2005-01-16-0501160145-story.html

https://www.nydailynews.com/news/mad-dog-killer-article-1.422375

https://www.swordandscale.com/the-killing-spree-of-mad-dog-taborsky/

http://www.westhartfordnews.com/news/throwback-thursday-west-hartford-s-mad-dog-murderer/article_6c4dcded-a6a4-571a-b6ec-fac0e1b559eb.html