Who killed Robin's parents?
Approved answer
Who Killed Robin's Parents?
The youngest member of the acrobatic troupe known as the "Flying Graysons", Grayson witnesses the murder of his parents by the mafia boss, Tony Zucco. Zucco commits this crime to extort money from the circus that employed them. Following this tragic event, Bruce Wayne adopts Grayson as his legal ward and trains him to become his partner, Robin.