American Flag Black And White With Blue Stripe Does The Thin. As protests over policing continue to convulse cities throughout the U.S., one symbol keeps showing up: a black-and-white American flag with one blue stripe. The flag, which shows a thin blue stripe in place of one of the flag's 13 red stripes, is meant to show support for law enforcement — but it has been associated, at times, with white … Related. A black-and-white American flag with a thin blue line across its center appeared among the Confederate flags toted by the white supremacists and neo-Nazis during the violent protests. 3x5 ft Thin Blue Line USA Flag with Embroidered Stars, Sewn Stripes, Brass Grommets, Vivid Color an… Trending Posts. The thin blue line flag nypd police lives matter flags chicago s flag the of every star and stripe the mysterious origins of american flag why the u s flag is red white and blue time. ... What Is The Black And White American Flag With A Blue Stripe Mean. White supremacists displayed the black-and-white American flag with a blue stripe in Charlottesville, prompting criticism against the flag's supporters.