This Nov. 3, 2016 photo provided by the Polk County Sheriff's Office in Des Moines, Iowa, shows Scott Michael Greene, of Urbandale, Iowa. Greene was arrested earlier in the day and charged with first-degree murder in the deaths of Des Moines Sgt. Anthony Beminio and Urbandale officer Justin Martin. Police say Greene fired upon the officers while they were sitting in their patrol cars in separate attacks early Wednesday. (Polk County Sheriff's Office via AP)
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