At approximately 5:55 a.m. on October 28, police were dispatched to the report of a person with a gun. Upon arrival, it was determined security personnel observed the male suspect allegedly walking inside a building carrying what appeared to be a firearm. A short time later, two additional security personnel observed the male suspect in a parking garage and confronted him during which he brandished what appeared to be a firearm. Security personnel then called police and responding officers located the suspect in the area and took him into custody. No injuries were reported. During the course of the investigation, a BB gun was recovered. Christopher Uglialoro, 46, of Arlington, VA was arrested and charged with Brandishing (x3) and Assault and Battery (x3).