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Topic: Diamond Reynolds

FILE - In this July 25, 2016, file photo, a memorial including a photo of Philando Castile is attached to the gate to the governor's residence where protesters demonstrated in St. Paul, Minn. Attorneys for Jeronimo Yanez, the Minnesota police officer accused of fatally shooting Castile say Castile's gun was accessible and that he was reaching for it when he was killed. A memo filed Tuesday, Feb. 7, 2017, in Ramsey County District Court contradicts prosecutors' claims that St. Anthony Officer Yanez didn't see the weapon and made conflicting statements about it. (AP Photo/Jim Mone, File) (AP)

Castile's final moments

Charlie May
Mark Zuckerberg (Reuters/Stephen Lam)

activism on social media

Sarah Jaffe - BillMoyers.com
Diamond Reynolds, the girlfriend of Philando Castile, weeps during a press conference at the Governor'sResidence in St. Paul, Minn., Thursday, July 7, 2016. Philando Castile was shot in a car Wednesday night by police in the St. Paul suburb of Falcon Heights. Police have said the incident began when an officer initiated a traffic stop in suburban Falcon Heights but have not further explained what led to the shooting. (Leila Navidi/Star Tribune via AP)

Video's role in tragedy

Mary Angela Bock - The Conversation
Diamond Reynolds, the girlfriend of Philando Castile, weeps during a press conference at the Governor'sResidence in St. Paul, Minn., Thursday, July 7, 2016. Philando Castile was shot in a car Wednesday night by police in the St. Paul suburb of Falcon Heights. Police have said the incident began when an officer initiated a traffic stop in suburban Falcon Heights but have not further explained what led to the shooting. (Leila Navidi/Star Tribune via AP)

"Brain on horror"

Elizabeth Preza - Alternet
Diamond Reynolds (Facebook)

Sophia Tesfaye