While minding the Ralphs ' three small children , Paul ( age 4 ) , Dawn ( age 2 ) and Samantha ( age 8 months ) , McGreavy murdered them all .
David McGreavy was a lodger in the home of his friends , Clive and Elsie Ralph .
While minding the Ralphs ' three small children , Paul ( age 4 ) , Dawn ( age 2 ) and Samantha ( age 8 months ) , lodger murdered them all .
David McGreavy was a lodger in the home of his friends , Clive and Elsie Ralph .