"The letter asks HHS Secretary Alex Azar to explain the CDC’s methods for tracking nonfatal firearm injuries, the cause of its increasingly unreliable estimates, and whether the agency has undertaken any actions to improve the FiveThirtyEight:
Given the wide scale reliance on the CDC's numbers, it is imperative that the agency ensure its data is accurate and up to date. - Senate letter
The inquiry relies on the findings of an investigation by The Trace:
Since the first report, the data became even more unreliable, according to The Trace:
Read the letter on Document Cloud.