Check (pattern) a board used for playing checkers and chess, and in heraldry. The check pattern has a number of symbolic meanings. In auto racing, the chequered flag is displayed at the finishing line to signal that the race has finished. It originates from the "checkers" who watched the finishing line and checked when cars had finished the race. They began using chequered flags to identify themselves. In some countries, the check pattern has become a symbol of the police. Known as "Sillitoe Tartan", it was first used in Glasgow in the 1930s and was inspired by a pattern worn by some
Private police in the United States Private police in the United States Private police in the United States are law enforcement bodies that are owned and/or controlled by non-governmental entities such as security agencies. There is a strong overlap between the work of police and security, given that they share the same goals, perform the same activities and cooperate with one another, and often the same individuals work in both fields simultaneously, with police moonlighting as security officers. The overlap is even more pronounced when the police are private. Thus, it can be hard to draw a line between what is a private policeman and what