Wearing the uniform of the Peacehaven Home Guard , he shot himself in the heart while on guard duty , using his own rifle .
Powell committed suicide during World War II in 1942 , aged 63 .
Wearing the uniform of the Peacehaven Home Guard , Powell shot himself in the heart while on guard duty , using Powell 's own rifle .
Powell committed suicide during World War II in 1942 , aged 63 .