Mary Flora Bell (born 26 Mey 1957) is a Breetish wumman who wis convictit in Dizember 1968 o the manslauchter o twa boys, Martin Brown (agit fower) an Brian Howe (agit three). Bell wis 10 years auld when she killed Brown an 11 when she killed Howe, makkin her ane o Breetain's maist notorious bairn killers.[1]