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Ryan Dickinson when he first joined the Army
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Ryan Dickinson when he first joined the Army in 2005. The retired Army sergeant from Ronkonkoma who helped clear roadside bombs in Iraq was shot to death on a Texas Army base early Sunday after an altercation with another soldier at a barbecue, his sister said.(Credit: Handout)

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Ryan Dickinson through the years

Army authorities at Fort Hood have charged an active-duty Afghanistan War veteran with murder in connection with Sunday's fatal shooting of Ronkonkoma native Ryan Dickinson. Witnesses have said that Sgt. Brett Wessel shot Dickinson, a retired Army sergeant, after they argued during a barbecue at the Killeen, Texas, military post.