Kaufman County Assistant District Attorney Mark Hasse, 57, was shot and killed on Thursday, Jan. 31, 2013, in Kaufman, Texas. (AP Photo/Kaufman County Sheriff's Office)

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Kaufman County Assistant District Attorney Mark Hasse, 57, was shot and killed on Thursday, Jan. 31, 2013, in Kaufman, Texas. (AP Photo/Kaufman County Sheriff's Office)