Oak Bluffs police investigating white supremacist signs posted outside Black-owned businesses Oak Bluffs police investigating white supremacist signs posted outside Black-owned businesses 00:25 Signs with the website of a white supremacist group were posted this weekend outside two Black-owned businesses on Martha's Vineyard in Massachusetts. Cape and Islands District Attorney Robert Galibois said his office was made aware that the signs were posted in the town of Oak Bluffs and included the website for the white supremacist group Patriot Front. The signs were found early Sunday morning outside two businesses that are owned by Black families, Galibois said. The district...