Blakey was the director of research for the New YorkAfrican Burial Ground Project, now the African Burial Ground National Monument. According to Blakey, the existence of this burial ground in what is now Lower Manhattan was evidence of "false historical representation" and exposed as a myth the idea that New York and the northern states were not slave-owning areas. Blakey says that, in general, educated Americans had the impression that slavery played little role in the development of the northern American colonies in general, and New York City in particular. Blakey's research helps dispel those myths, and offers a "compelling portrait of the exploitation and violence suffered by enslaved Africans, and equally to the active resistance of people of African descent to this exploitation and violence". Blakey concluded that these slaves faced "brutal working conditions, premature rates of mortality, and excessive workloads, while nutritional deficiencies were common among young children." Of the 400 sets of remains uncovered, Blakey's research team examined 27 skeletons that had filed or "culturally modified" teeth, which was considered a strong indication of African birth. Previously, only nine such skeletons had been discovered in the Americas. It is likely that these individuals had come to New York previous to 1808, when the importation of slaves from Africa was banned. Blakey's team examined more than 1.5 million artifacts discovered at the site, which included everything "from pottery and glassware to tools and children's toys". His research determined that approximately half of the African people buried at the site were children. After his research was completed, the skeletal remains were reinterred at the site "in 400 hand-carved mahogany coffins" in a 2003 ceremony described as "joyous and bitter all at once".
Analysis of racism
Blakey says that physical anthropology has a "pattern of denial" about racism, which has its origins in the dominant view that social differences are due to the inherent characteristics of individuals, and less on political and economic factors. Blakey maintains that the history of physical anthropology has been "sterilized", downplaying the role that eugenics and scientific racism had in its origins. Discussing a museum exhibit about race at the Science Museum of Virginia, Blakey criticized the contemporary reluctance to discuss racism, maintaining that "it has become illegitimate to talk about racism" and that failing to do so is "the new racism".