Violent criminals calmed by scent of oranges By Joan Clements in The Hague Last Updated: 1:08am GMT 20/02/2008 Calming: scent of an orange Hardened criminals in the Netherlands become less aggressive and have fewer fights when exposed to the scent of oranges, a study has found. Rotterdam police said the four week study suggested that criminals, many of them violent drug pushers, are calmer and more malleable when the perfumes are circulated through cell air vents. The head of police social services, Herma Heester, said: "It's amazing, fighting in the cells has been dramatically reduced and we are using 10...