The first three episodes in Reacher Season 2 delivered a more unsettled hero than fans have come to expect from the former special investigator for the US Army Criminal Investigation Division. Reuniting with his former unit after some of them were killed, shook him but not as much as the notion that one member is still alive and responsible for the deaths of their colleagues. A man of action driven by facts and observation finds himself in the center of a mystery that challenges what he believes in ways he never thought possible.
Source:https://www.cbr.com/reacher-season-2-episode-4-review/