News / Dunblane
Sixteen children and teacher Gwen Mayor were murdered by gunman Thomas Hamilton on March 13, 1996.
A cast and crew in Dunblane shaved two and half hours off the previous best.
Jack Crozier's sister died in the shooting and he hopes Americans can learn from the tragedy.
Sunday marks 20 years since Thomas Hamilton took 18 lives in Dunblane Primary including his own.