Police group wants Rams players disciplined for 'Hands Up' gesture; NFL declines
When a police officer takes a knee, what does it really mean? - The Boston Globe
The man who ran on the football field and was tackled by Rams linebacker Bobby Wagner files a police report
Revealed: police unions spend millions to influence policy in biggest US cities, US policing
I Fought for Our Country. Now NFL Players Are Kneeling for Me.
Kaepernick, activism and politics. The NFL doesn't know how to stop this row, Colin Kaepernick
NFL bans on-field kneeling during the national anthem
NFL players protest during national anthem, drawing criticism from Trump
NFL players' union tackles police brutality – People's World
Are Professional Sports Players Protected By The First Amendment When They Engage In Political Protest On The Field? - First Amendment Watch
Why NFL players protest during national anthem
Carolina Panthers sign Eric Reid, who protested with Colin Kaepernick
US Pro Football Players Kneel During National Anthem