Headline: Post comparing mass shooting deaths to homicides by undocumented immigrants way offLink: https://www.politifact.com/facebook-fact-checks/statements/2019/aug/26/facebook-…Publication Date: Monday, August 26, 2019Primary Source: PolitiFactNon-Cato Author: Samantha PuttermanType: new media postFormat: New MediaNature of Mention: citedScholar: CatoResearch Area: Immigration and Labor MarketsSubjects: immigrant crime statistics