A violent encounter at Washington, D.C.’s Union Station in late summer 2015 ended with the death of 57-year-old William Thomas Wilson Jr. of Southeast Washington. Police described the incident as beginning with an apparent domestic dispute in which Wilson reportedly stabbed a woman outside the station. Wilson died of his injuries.

Wilson’s family said he had been struggling with depression and that they had urged him to avoid his girlfriend, whom he had apparently gone to the station to see. His older sister described him as sweet and humble and questioned whether a less-lethal option could have been used. There were no reports of the security guard’s arrest in the immediate aftermath.

If anyone witnessed the incident or knew Wilson’s circumstances that day, what can be added to the timeline or details of what happened at the station?