Killer son, 38, who beat his retired doctor father, 68, to death after escaping his psychiatric hospital reads poem at his inquest saying he is 'so sorry for all our loss' and signs off from 'your ever-loving son' | Daily Mail Online

Lung expert Dr Kim Harrison (pictured), 68, died after he was punched, kicked, stamped on and beaten with a broom handle by son Daniel Harrison, 38, after he fled from doctors.