A week after the shooting death of UnitedHealthcare CEO Brian Thompson, a book criticizing the U.S. health care industry skyrocketed to the top of an Amazon bestseller list. The big picture: Author Jay Feinman's "Delay,

Shell casings found at the scene of CEO Brian Thompson's killing featured the words "deny," "defend" and "depose" written on them, multiple outlets reported.

The cryptic message found on the bullet casings at the scene of the Midtown murder could refer to the ‘the three D’s of insurance’ — deny, delay, and defend — which is also the title of a book critica

A book titled 'Delay, Deny, Defend' has rocketed to the number two spot on Amazon's bestseller list - due to the recent shooting of the UnitedHealthcare CEO. The words of this 2010 publication eerily match those found inscribed on bullet casings at the scene of last Wednesday's shooting,