Kate Middleton was unaware that she was working with a convicted murderer-turned-philanthropist.
Paul Carberry, who is the CEO of Action for Children stabbed a father-to-be to death and injured another while on a train, all when he was just 17.
Speaking to Mirror of the murder Carberry said: "Something I’ve regretted every day of my life. A family did not have their loved one because of me."