The suspect is the missing woman's brother, who was found minutes later outside the shop dead of an apparent murder suicide.
The call starts as a common disturbance call, but quickly changes when the caller sees the man pull out a gun.
Click here to listen to the call. (contains graphic language)
Former Police Chief Rob Davis made it a practice to keep 911 tapes private, but acting chief Chris Moore decided to release the tape.
Harms went missing July 27, 2001 after a night out at the Rock Bottom Brewery in Campbell. Harms is presumed dead, but her body has never been found. In the subsequent years one of the men she was with that night was arrested, jailed and then released for lack of evidence.
San Jose police said Sanchez ran into Nasmeh at a Red Robin on Saratoga Avenue and accused him of murdering his sister.
Sanchez left the restaurant, but later returned - with a gun.
Police said the two had a second interaction at the Red Robin and then Nasmeh walked out and across the street to a Peet's Coffee. Witnesses said Sanchez followed him into the Peet's where he shot and killed him.
When police arrived at that shooting scene, officers said they heard another gun shot in the parking lot. They soon found Sanchez dead, from an apparent gunshot wound to the head.