Fourth law enforcement officer dies, 4 wounded serving warrant in east Charlotte home Charlotte ObserverWhat we know about Charlotte shooting suspect Terry Hughes Jr. | wcnc.com WCNC.comNorth Carolina police officers killed in home siege remembered as heroes BBC.comMan who fatally shot 4 officers had ‘extensive criminal history,’ police chief says Charlotte Observer‘We lost heroes.’ CMPD officer, 3 US Marshal task force members killed in E CLT shootout; 4 hurt WBTV