<human>:  Why did the first police force in the world, the London Metropolitan Police, start in 1829?
<bot>: The London Metropolitan Police was founded in 1829 because the government wanted to have a police force to deal with the problems of a growing city. The first police force was called the Bow Street Runners, and they were a group of private citizens who were hired to catch criminals. The Metropolitan Police was founded in 1829 by Sir Robert Peel, who was the Home Secretary at the time.