Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
A look at one of the key Senate races: Sen. Mitch McConnell vs. Alison Lundergan Grimes.
(CNN) – In this in-depth, three-part documentary, CNN's Jake Tapper reports on Sgt. Bowe Bergdahl's time in captivity, life before the Army, and what happened the night he disappeared in Afghanistan.
Watch part two here, or by clicking on the video below.
Watch part three here, or by clicking on the video below.