by
Laird Townsend/For The Midwest Center for Investigative Reporting
Why you can trust Investigate Midwest
With morning temperatures approaching 90 degrees one day in July 2015, a migrant laborer walking down rows of corn began to experience symptoms of heat exhaustion, including difficulty breathing and extreme nausea. The laborer was working near Boone, Iowa, for an independent contractor with the St. Louis-based Monsanto Co.
Donald W. Reynolds Journalism Institute, Fund for Investigative Journalism, Gary Marx Journalism Fund, Arnold Ventures, Lumpkin Family Foundation, Pulitzer Center for Crisis Reporting, Builders Initiative
