Travis Neel, private citizen.
January 21, 1994
Houston Texas
39 rounds from his CZ75.
While not an example of a person running out of ammo, if Mr. Neel had been taking a revolver to the range that day, he and a sheriff's deputy, Frank Flores, would now be in the cemetery.
Just outside Houston, Texas, city limits, on January 21, 1994, Neel watched as Harris County Deputy Frank Flores stopped a stolen Jeep Cherokee. The three occupants of the Jeep were members of an organized car-theft ring. As Flores walked toward the Jeep, one of the thieves hid in the back seat and ambushed the deputy.
Flores was shot four times and collapsed on the street. Neel witnessed the shooting and went to the defense of the deputy. He carried two 9mm semiautomatics in his truck. Opening fire, he prevented the suspects from continuing to shoot Deputy Flores. Neel shot up one clip and then another. He stated in later testimony before a congressional subcommittee hearing on crime that his greatest fear was that an innocent bystander would get hurt, or that he would be killed by the thieves, and people would think he was one of them.
When their automobile became boxed in, the car thieves attempted to car-jack another vehicle. But Neel drove them away with rapid fire. The suspects finally fled on foot and were captured a few hours later. The fallen deputy recuperated, and Neel was proclaimed by the Harris County Deputy Sheriffs Union to be "Citizen of the Year, 1994."
http://www.kc3.com/self_defense/officers_peril.htm