Texas Rangers; and the 1918 Porvenir massacre of fifteen Tejanos by Texas Rangers. The book continues with a history of José Tomás Canales efforts in 1919 to bring criminal charges against several Texas Rangers for their involvement in terrorizing and murdering Mexican Americans and the House-Senate committee hearings that investigated the murders and violence perpetrated by the Texas Rangers in the borderlands. Martinez was part of the research team for the project "Mapping Violence", documenting the history of racial violence in Texas during 1900–1930. In 2019, Martinez gave testimony in Congress during Judiciary Committee hearings on the "Oversight of the Trump Administration’s Border Policies and the Relationship Between Anti-Immigrant Rhetoric and Domestic Terrorism". Her professional affiliations include the Organization of American Historians, the American Studies Association, the National Council for Public Humanities, the National Association of Chicana Chicano Studies, the Western History Association and the American Historians Association. Awards 2019: The Caughey Western History Prize (Western History Association). 2019: The Robert G. Athearn Award (Western History Association). 2019: The Lawrence W. Levine Award (Organization of American Historians). 2019: María Elena Martínez Prize in Mexican History (Conference on Latin American History, University of North Carolina at Charlotte). 2019: Frederick Jackson Turner Award Finalist (Organization of American Historians). 2019: Tejas Foco Nonfiction Book Award (National Association of Chicana and Chicano Studies). 2019: The TCU Texas Book Award. Grants and fellowships During her first year at Brown University, Martinez was the recipient of the Mellon Mays Undergraduate Fellowship awarded by The Andrew W. Mellon Foundation. Since completing her Ph.D. in 2012, has been the recipient of numerous grants and fellowships. These include: 2021: MacArthur Fellowship 2017-2019: Carnegie Foundation for the Advancement of Teaching Faculty Fellowship for "New Narratives for Reckoning with Histories of Violence" and "Mapping Segregated Histories of Racial Violence". 2017-2019: National Endowment for the Humanities Grant. Awarded to support a conference and anthology about the Canales investigation into Texas Ranger violence. 2016: Research SEED Award, Brown University for "Mapping Segregated Histories of Racial Violence". 2014: Texas Humanities Grant, National Endowment for the Humanities. 2013: Catarino & Evangelina Hernéndez Research Fellowship, Texas State Historical Association. 2012-2014: Carlos E. Castaäeda Fellowship, Center for Mexican American Studies University of Texas at Austin. Bibliography Book Review: Corridors of Migration: The Odyssey of Mexican Laborers, 1600-1933 by Rodolfo F. Acuña (2009). Western Historical Quarterly, 40(3), pp. 393–394. Book Review: Seeking Inalienable Rights: Texans and Their Quest