The making of Colin Kaepernick: His stance remains a rallying cry
'He asked me to kneel.' FIRE launches ad campaign during NFL season opener, highlighting Colin Kaepernick-Nate Boyer story
Colin Kaepernick: How taking a knee started after NFL quarterback met Nate Boyer, NFL News
U.S. national anthem kneeling protests - Wikipedia
Ex-Green Beret And NFL Player On His Role In, Reaction To Anthem Protests : NPR
An open letter to Colin Kaepernick, from a Green Beret-turned-long snapper
TIMELINE: Colin Kaepernick's journey from SF 49ers star to kneeling to protest police brutality, racial injustice - ABC7 San Francisco
Colin Kaepernick: How taking a knee started after NFL quarterback met Nate Boyer, NFL News
From Colin Kaepernick's protest to a new NFL anthem policy, a timeline