00:01A gunman killed one person and wounded four others in a busy Washington, D.C. neighborhood
00:07on Thursday before barricading himself in his apartment and later taking his own life
00:12following a standoff.
00:14Police identified the suspect as 55-year-old Matthew Lambert, who had been involved in
00:20a long-standing dispute with his condominium association over mold and moisture in his
00:25apartment.
00:26He was found dead of a self-inflicted gunshot inside his apartment.
00:30Yes, so we do know inside the gym he used a handgun.
00:33We do believe, based on the evidence on the scene at this time, that he used the rifle
00:37from the patio balcony to shoot the other four individuals, and the shotgun was also used
00:42at the end of the incident.
00:44We also have some information that he may have discharged the shotgun before he actually
00:50went down to the gym, but we're still working through those details.
00:52Police identified the victim as 46-year-old building manager James Stewart, who appeared
00:58to have been deliberately targeted.
01:00The attack began shortly before 8 a.m. local time inside the building's gym, where Lambert
01:06allegedly shot Stewart dead before returning to his seventh-floor apartment.
01:10He then fired a rifle from his balcony, injuring four people, and also allegedly tried to set
01:17fire to his apartment.
01:19Officers later found three guns and gasoline inside.
01:22The standoff brought the normally busy neighborhood to a standstill, with heavily armed officers and
01:28emergency vehicles flooding the area.
01:31Streets shut down, and police stationed on rooftops.
01:36Residents gathered for a vigil on Thursday night to honor the victims of the shooting.
01:41SCI, medicals.
