As a general rule, statistics are rather dull, but here's one that's rather alarming... In 1945 in the USA, major crimes alone were committed at the rate of nearly 5,000 every 24 hours. In the field of crime on which tonight's case is based, the crime of robbery rose by 50% the following year. Ever since she saw a movie about a baby committing theft, Ruth Patterson has been obsessed with three ideas...