AP Source: Fed's Gun Used in San Francisco Pier Slaying

A law enforcement official briefed on the matter said Tuesday that the gun used in the seemingly random slaying of a woman on a San Francisco pier belonged to a federal agent.
The official, who was not authorized to speak publicly about the case and spoke on condition of anonymity, said a police check of the weapon's serial number shows it belonged to a federal agent. The official declined to elaborate further.

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