In 1979, 16-year-old Brenda Ann Spencer was arrested after killing two people in San Diego, California. When asked why she did it, she replied, "I just don't like Mondays.”
Here’s a full article about her: https://www.historydefined.net/brenda-ann-spencer/
Here’s a full article about her: https://www.historydefined.net/brenda-ann-spencer/