What brings a child to kill another child? In 1968, at age eleven, Mary Bell was tried and convicted of murdering two small boys in Newcastle upon Tyne, England. Gitta Sereny, who covered the sensational trial, never believed the characterization of Bell as the incarnation of evil, the bad seed personified. If we are ever to understand the pressures that lead children to commit serious crimes, Sereny felt, only those children, as adults, can enlighten us.