black-lives-matter-5-years-on-what-has-the-movement-achieved-and-where-will-it-go-from-here-2

People attend a press conference along with New York City Council members to call for justice in the February 26, 2012, killing of 17-year-old Trayvon Martin in Sanford, Florida, on the steps of City Hall, in New York, on March 28, 2012.
ALLISON JOYCE/GETTY