Alabama Executes Man Who Shot, Killed Store Clerk

A man described by a police informant as trying to make a name for himself was executed Thursday evening for the 1994 shooting death of an Alabama store clerk during a robbery.

Derrick O. Mason, 37, was administered an injection and pronounced dead minutes later at 6:49 p.m. local time at Alabama's Holman Prison. It was the third execution this week in the United States.

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