Derek Boyd (28) told gardaí that by killing his 36-year-old-sister – a mother of five - he committed “an unpardonable sin” for which he will pay for the rest of his life

Derek Boyd (28) told gardaí that by killing his 34-year-sister through an accidental discharge of an illegally-held loaded semi-automatic pistol last March, he committed “an unpardonable sin” for which he will pay for the rest of his life.

Derek Boyd (28) told gardaí that by killing his 34-year-sister through an accidental discharge of a loaded semi-automatic pistol last March, he committed “an unpardonable sin” for which he will pay for the rest of his life.