Who killed Robin's parents?
Approved answer
Who is responsible for the deaths of Robin's parents?
As the youngest member of the acrobatic troupe known as the Flying Graysons, Grayson witnessed the tragic event when mafia boss Tony Zucco murdered his parents in an attempt to extort money from the circus that employed them. Following this traumatic incident, Bruce Wayne took Grayson in as his legal ward and mentored him to become his sidekick, Robin.