Following the Las Vegas shooting in October 2017, Warren was one of twenty-four senators to sign a letter to National Institutes of Health Director Dr. Francis Collins espousing the view that it was critical the NIH "dedicate a portion of its resources to the public health consequences of gun violence" at a time when 93 Americans die per day from gun-related fatalities and noted that the Dickey Amendment did not prohibit objective, scientific inquiries into shooting death prevention.