The Friday afternoon was passing normally for employees at Virginia Beach's municipal complex. As 4 p.m. rolled around on May 31, most were undoubtedly thinking about their plans for the upcoming weekend. Their peaceful afternoon, however, was soon shattered by an all-too-common occurrence: a workplace shooting. In a massacre that would ultimately kill 12 and injure four more, an engineer who had worked for the city for 15 years killed a contractor outside before entering Building Two and gunning down co-workers on three different floors. Police received the first dispatch call at 4:07 p.m.; within 7 minutes, they had proceeded through the complex's maze of offices and cubicles to engage the gunman in a stairwell. The assailant, who was armed with two .45 ACP pistols and, it would appear, a large amount of ammunition, began to fire at police, leading to a protracted gunfight. At 4:44 p.m.