The Gotham City Police Department uphold the law in Gotham City, with the help of the Dynamic Duo who are duly deputized law enforcers. As such, they have the local governments full support to store and maintain auxlirarly vehicles such as the Batcopter. There is also a direct Bat Phone hotline in Commissioner Gordon's office to the Batcave and Wayne Manor. When an Arch-Criminal is apprehended, they haul them off to Gotham State Penitentiary.