Timeline: 'Sewing Circle' to murder case against Navy SEAL

The case against Special Operations Chief Edward Gallagher, a sniper and medic accused of stabbing to death a wounded Islamic State fighter, caused fissures in the normally cohesive and secretive community of Navy SEALS, some of the world's best trained troops who often are called on for the most difficult assignments in Iraq, Afghanistan and other places.Other SEALS were responsible for providing incriminating information that led to a formal investigation that produced murder and other charges