When protests at the Standing Rock Indian Reservation began in April, there were only a handful of activists camping out in defiance of the Dakota Access Pipeline project. As their numbers have grown into the thousands, so too has the police presence confronting them. Police departments from 24 counties and 16 cities in 10 different states (including North Dakota) have poured into Standing Rock, according to the Morton County Sheriff's Department, the local law enforcement agency. It's rare for police forces to cross state lines to handle problems in neighboring places, much less travel more than 1,500 miles to respond to protests, as the St.