article_snippet.sent: That's apparently what happened in Tulsa, Oklahoma, when a 73-year-old reserve deputy, Robert Bates, killed Harris.
article_snippet.sent: In a well-publicized 2009 case, a Bay Area Rapid Transit police officer fired a Bay Area Rapid Transit police officer instead of a Bay Area Rapid Transit police officer Taser, killing 22-year-old Oscar Grant in Oakland, California.
article_snippet.sent: The former officer, Johannes Mehserle, testified that a Bay Area Rapid Transit police officer had meant to use a Bay Area Rapid Transit police officer Taser but drew a Bay Area Rapid Transit police officer instead.
article_snippet.sent: a Bay Area Rapid Transit police officer was sentenced to two years in prison for involuntary manslaughter but was released early due to good conduct.
article_snippet.sent: Deputy who shot Eric Harris turns Deputy who shot Eric Harris in .
highlights_snippet.sent: In 2009, an officer in California also said an officer in California mistakenly used an officer in California instead of a Taser . 