Assassin's Bullet (2012)

Robert Diggs, portrayed by Slater, is a black ops agent enlisted by Ambassador Ashdown, played by Donald Sutherland, to hunt down a rogue assassin wreaking havoc in Eastern Europe. This elusive vigilante has been eliminating high-ranking targets from the U.S. list, prompting a race against time for Diggs to reveal the killer's identity. As tensions rise, the stakes escalate, leading to a gripping game of cat and mouse that could spark an international crisis if Diggs fails to act swiftly.