Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
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In 2010, police in Belfast, Northern Ireland, used ice cream van music to calm angry teen rioters - and it worked!
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Organized crime is estimated to account for 10% of the United States' national income.
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In 1995, a man named Shawn Nelson stole a tank from the US Army and took it for a joyride on a highway in California.
12
Al Capone earned $105m per year from alcohol and rackets during the Prohibition era. Today, this would be equivalent to $1.4b per year.
7