Masters of War - S1.E4

After the details of a veteran's death don't add up, Carlos brings everyone in to investigate and he shares a detail about his past that makes John see him in a new light. Mary finds an unexpected ally who has been hot on the trail of this monster and Latika tries to help Mary heal and find closure with someone she lost. Meanwhile, John's habit of running headfirst into danger leaves Millie worried for her son.