Person Of Interest 3x19 -

Reed is actually hunting the real killer, his former best friend Doug Hemmill , who accidentally caused Claire's overdose and framed Reed. The Washington D.C. Mission (High Stakes):

The reunion guests believe Reed killed his girlfriend, Claire, on graduation night decades ago. Person of Interest 3x19

John Reese, Sameen Shaw, Harold Finch, Lionel Fusco, Root, Peter Collier, and Control. Reed is actually hunting the real killer, his

Peter Collier and Vigilance intercept Finch, stealing the classified documents and leaking them to the press. his former best friend Doug Hemmill

They break into an FBI evidence lockup to retrieve classified documents regarding the government's secret surveillance program, . Major Consequences (The "Wham" Ending)

The episode concludes with a series of events that fundamentally change the series' status quo: