A collection of news reports. Here is an article in The Christian Science Monitor, reporting that four black women have died in police custody since Sandra Bland's July 13th death, in different circumstances, plus a story about the officer who arrested Bland.
Another piece discusses some of the context of these deaths. http://mic.com/articles/123060/at-least-5-black-women-have-died-in-jail-this-month-here-are-10-facts-you-need-to-know
Also last week, there was a story of a young Lakota woman who died in police custody. http://indiancountrytodaymedianetwork.com/2015/07/28/manning-sarah-lee-circle-bear-died-while-police-custody-family-seeks-justice-161204
And also, in mid-July, there was a story of a Choctaw man who died in custody. This piece also reports that "indigenous people in the United States have been killed by police at nearly identical rates as black Americans since 1999."