Franklin Zimring quoted in Portland Tribune, October 31, 2013
Police can’t anticipate an argument to be there to stop the escalation, so for years, Zimring says, he believed police could only react once a homicide was committed. But studies show that those escalating arguments are not completely random. “It keeps happening, the same night and close to the liquor store, in hot spots or open-air drug markets,” Zimring says. “It has extremely predictable geography.”