A cryptic message from a man at a California bank was the beginning of a 15-hour hostage situation

Summary A witness who escaped a California bank before a hostage situation described the suspect displaying a trigger connected to wires and a vest while ordering people to the floor. The roughly 15-hour standoff ended when the FBI killed the suspect as concerns grew over his erratic behavior and a diabetic hostage’s condition. Authorities found multiple improvised explosive devices at the scene and were conducting further tests on them. AI-generated summary was reviewed by a CNN editor.