Killing Reagan (2016)

Killing Reagan explores the events surrounding the assassination attempt on president Ronald Reagan by John Hinckley Jr. Based on the best-selling book, the film begins in the final months leading up to the 1980 presidential election, and explores the challenges Reagan faced to define himself as a leader. Meanwhile, an aimless and deranged Hinckley is unraveling, leading to the fateful day in March 1981 when these disparate figures collided.

Unfortunately the movie Killing Reagan is not yet available on HBO Max.