A cop shot dead in Louisiana was killed with his own service gun by his cousin, after the suspect stabbed the mayor's sister to death and injured two more, police said. Officer Henry Nelson, 51, was shot dead after responding to a domestic violence call at the home of Harrison Lee Wiley Jr at 4.45pm Wednesday, according to Sunset Police Department. Wiley stabbed sisters Shameka Johnson, 40, and Surlay Johnson, 34, after they tried to protect Wiley's wife Courtney Jolivette while the pair were arguing, it is claimed. Shameka was killed in the attack, while Surlay is in critical condition in Lafayette hospital. Jolivette was also stabbed and needed surgery and is in a stable condition at Alexandria hospital.Officer Henry Nelson, 51, was killed while responding to a domestic violence call in the small town of SunsetHarrison Lee Wiley Jr 'stabbed several people before shooting Nelson'Shameka Johnson, 40, sister of a local mayor, was killed during the attackAnother sister, Surlay Johnson, 34, is in a critical conditionIt is believed they were trying to protect Wiley's wife Courtney Jolivette during a row with her husbandJolivette was also stabbed and is recovering from surgeryPolice have confirmed that Wiley and Nelson were cousinsNelson had a teenage daughter and was due to start vacation todayAfter the shooting, Wiley crashed his car into a store and barricaded himself in the building for several hours, say police
Other police told local journalists that _ may have taken drugs before going on his rampage, and that he had a lengthy criminal history.