article_snippet.sent: A 73-year-old reserve deputy shot and killed a man during an undercover operation after thinking a man had a man when a man opened fire.
article_snippet.sent: Bates shot and killed Harris as a man was trying to buy drugs and a gun from deputies posing as dealers in the parking lot of a dollar store.
article_snippet.sent: Harris, 44, was being restrained by one of the undercover police officers when Bates, who was monitoring from afar, ran up 'trying to get the situation under control' and fired one shot.
article_snippet.sent: According to police at the scene in Tulsa, Oklahoma, Bates, a former full-time officer, accidentally pulled out his service weapon instead of a gun on him.
article_snippet.sent: Robert Charles Bates, 73, accidentally grabbed Robert Charles Bates pistol and shot a man dead, his pistol has been claimed .
article_snippet.sent: Major Shannon Clark told CNN: 'Robert Charles Bates, 73 were struggling trying to get a man into custody, a man ran up trying to use a less lethal device, trying to get the situation under control, inadvertently a man discharged a round from a man service weapon.'
article_snippet.sent: Bates, is the chief executive of Robert C Bates LLC, a Tulsa-based insurance company, who worked as an officer assigned to the Violent Crimes Task Force.
article_snippet.sent: a man also spent time with the Tulsa Police Auxiliary.
article_snippet.sent: Speaking to local site News OK, Bates said: 'It was me.
article_snippet.sent: According to Tulsa Police, Harris killer, Bates, is classified as an advanced deputy.
highlights_snippet.sent: Robert Charles Bates, 73, was allegedly trying to pull out Robert Charles Bates taser .
  
highlights_snippet.sent: Robert Charles Bates killed 44-year-old Eric Harris, who was 'buying' a gun from undercovers .
  
highlights_snippet.sent: The victim was being restrained by an undercover officer when Bates ran up .