Full Coverage
Pentagon police officer killed in unprovoked knife attack, assailant shot himself
By Annika Kim Constantino
Man who fatally stabbed Pentagon officer had troubled past
By Mike Balsamo, Eric Tucker & Michael Biesecker
'Forever grateful': Officer dies after being attacked outside Pentagon, officials say
By Christal Hayes & Christine Fernando
Assailant in Pentagon police killing was booted out of Marines, recently arrested
By Annika Kim Constantino
Officer killed in stabbing attack at Pentagon transit station that led to lockdown
By Elisha Fieldstadt & Courtney Kube
Police officer dies following shooting outside the Pentagon building
By Zachary Cohen, Barbara Starr & Ellie Kaufman
Officer dead, suspect killed in violence outside Pentagon
By Michael Balsamo, Lolita Baldor & Eric Tucker