Castle doctrine possession of land to use reasonable force to regain possession of that land. The term "make my day law" came to be used in the United States in 1985 when Colorado passed a law that shielded people from any criminal or civil liability for using force against a home invader, including deadly force. (The law's nickname is a reference to the line "Go ahead, make my day" (meaning 'do something so I have an excuse to kill you') uttered by actor Clint Eastwood's character "Dirty Harry" Callahan in the 1983 police film "Sudden Impact".) Each jurisdiction incorporates the castle doctrine
Go-Ahead London subsidiary, London General, which had been sold in 1994 to a management buy out. These two companies subsequently developed in much the same way, both establishing a livery of red with a charcoal skirt and yellow relief band, and splitting orders for new buses. Further expansion did not occur until September 2006, when Docklands Buses was purchased. On 29 June 2007, the Go-Ahead purchased Blue Triangle. With these purchases, Go-Ahead surpassed Arriva London to become the largest operator of buses in London, running around 16% of London bus services. A corporate image for Go-Ahead's London bus services started to appear