<p>A 55-year-old gunman killed one person and injured four others in Washington, DC’s Logan Circle neighborhood, according to police. • The assailant — identified by police as Matt Lambert, an emergency room doctor — shot and killed his building manager inside a gym with a handgun. He then entered the building, where he shot four more people with a rifle from his seventh-floor balcony, authorities said. One of the victims remains in critical condition. CNN's Brian Todd reports. </p>
55-year-old gunman identified after 1 killed and 4 injured in DC shooting

A 55-year-old gunman killed one person and injured four others in Washington, DC’s Logan Circle neighborhood, according to police. • The assailant — identified by police as Matt Lambert, an emergency room doctor — shot and killed his building manager inside a gym with a handgun. He then entered the building, where he shot four more people with a rifle from his seventh-floor balcony, authorities said. One of the victims remains in critical condition. CNN's Brian Todd reports.

2:01 • Source: CNN
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<p>A 55-year-old gunman killed one person and injured four others in Washington, DC’s Logan Circle neighborhood, according to police. • The assailant — identified by police as Matt Lambert, an emergency room doctor — shot and killed his building manager inside a gym with a handgun. He then entered the building, where he shot four more people with a rifle from his seventh-floor balcony, authorities said. One of the victims remains in critical condition. CNN's Brian Todd reports. </p>
55-year-old gunman identified after 1 killed and 4 injured in DC shooting
2:01
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