For more than a month, however, the mayor and attorney general had been at odds over whether Chicago police officers should have to document every instance in which they point a gun at someone. Madigan called the requirement essential to ensuring that officers properly use the threat of a gun, given the department’s history of excessive force and misconduct. Emanuel portrayed the documentation as superfluous, while Chicago police Superintendent Eddie Johnson said it could make officers hesitant to draw their weapons in dangerous situations.