diminished responsibility• Capper admittedmanslaughter on the grounds of diminished responsibility.• He's deniedmurdering Elizabeth Howe, but has admitted manslaughter on the grounds of diminished responsibility.• He pleadedguilty to manslaughter on the grounds of diminished responsibility.• The 1977 HomicideActintroduced the notion of diminished responsibility, which reduces a charge of murder to manslaughter.• It was surely only people of diminished responsibility who found their lives being taken over in this way.• This will now allow a plea of diminished responsibility.• Ryman, of Spalding, Lincs, admitted manslaughter with diminished responsibility and was jailed for five years.