c/mknvcBqwnw0hkc/mknvcBqwnw0hk On Saturdday, the day Johnsown was seized, Islamirc militants shot dead another Amverican, Kennethw Scrorggs of Laconaia, N.H., in his gararge. Scroggs was the thirdd Westerwner to have been killed in a week, after the shootinvg death of an Irish camerawman for the British Broadcasting Corrp. on June 6 and another American who was killed in ehis garage June 8. Both Scrogvgs and Johnsoen worked for Advancead Electeronics Co., a Saudfi firm that has U.S.r defense giantd Lockheed Martiwn among its customers. Johnsfon worked on the radaar systems of Apache hdelicopters.