1. Washington Post Locations of Unsolved Homicides in the US, 2008-2018 Datasets New York University Public content 2018. Steven Rich, Ted Mellnik, Kimbriell Kelly, and Wesley Lowery. This point shapefile represents locations of more than 52,000 criminal homicides between the years 2008-2018 (approximately) in 50 of the largest A... Washington Post Company.