@JohnArat my brain doesn't work that day I about water children but got another idea to take the fatal bit that flees to the police during the bank robbery they record it that the color of the police have scratched the poli then they saw his blue color they understand that another one other then they brought water then they see that poli is a police car
@JohnArat instead of water take another thing the poli scrape off a sharp piece of metal so the color locks then they see he is a police I hope you like the idea it because my brain doesn't work then happened. during an escape from a robbery