Police standoffs can last hours, with sharpshooters, armored vehicles, evacuations and questions about who is inside and why that person won’t obey police orders. Those ending in gunfire or injury make headlines, but they’re rare. Most end after skilled negotiators bring calm to a crisis.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};