In January 2016, Baldwin was one of 18 senators to sign a letter to Thad Cochran and Barbara Mikulski requesting that the Labor, Health and Education subcommittee hold a hearing on whether to allow the Centers for Disease Control and Prevention (CDC) to fund a study of gun violence and "the annual appropriations rider that some have interpreted as preventing it" with taxpayer dollars. The senators noted their support for taking steps "to fund gun-violence research, because only the United States government is in a position to establish an integrated public-health research agenda to understand the causes of gun violence and identify the most effective strategies for prevention."