David S. Fallis is the deputy editor for The Washington Post’s Investigations Unit. In 2015, he helped lead and edit a team of Post journalists that identified and analyzed nearly 1,000 fatal shootings by police nationwide. For that year-long work, The Post was awarded the Pulitzer Prize for National Reporting, a Polk Award for National Reporting and the Sigma Delta Chi Award for Public Service. He was part of a team in 2016 that investigated the Drug Enforcement Administration's slowed enforcement amid the opioid epidemic, reporting that was recognized with a Polk Award. He and other reporters investigated how the personal finances of federal lawmakers overlap or intersect with their legislative activities, reporting that won a 2012 Sigma Delta Chi Award and a Dirksen Award for Distinguished Reporting. His work with colleagues in 2010 investigating the sources of crime guns was awarded an Investigative Reporters and Editors Freedom of Information medal and an Emmy. His reporting on deplorable conditions in Virginia’s assisted-living facilities won the Heywood Broun Award in 2004. And in 2002, he was part of a reporting team that was a finalist for the Pulitzer Prize and the Goldsmith Award for an investigation of questionable shootings and in-custody deaths involving Prince George’s County police. Before joining The Post in 1999, he wrote and edited for the Tulsa World. He started his career as a police reporter at the now-defunct Tulsa Tribune, and he has taught investigative reporting at George Washington University.