Armarjeet Sada was the world's youngest serial killer
According to The Mirror, Amarjeet Sada, an Indian from Bihar, is said to be the youngest serial murderer. He killed three people by the time he was eight years old. Sada, who was born in 1998, killed many members of his family in various events between 2006 and 2007. According to reports, when he was seven years old, he killed his cousin, who was six years old.