Cases in which people have murdered relatives, including a look at whether Philip Austin, who killed his wife and two children. Officers determine whether he planned his crimes or acted on impulse.
Criminal psychologist Laura Richards examines why a man raped his wife at knifepoint and killed his four-year-old son.
The story of a man from Lancashire who set fire to his home, killing himself as well as his wife and daughters.
An investigation into the deaths of two newborn babies in Glasgow, who supposedly suffered heart defects, reveals it was no accident.
Criminal psychologist Laura Richards introduces the case of Andre Genestin, who murdered his wife after she confronted him about his mistress.
Criminal psychologist Laura Richards investigates the case of a woman who was murdered for not upholding her in-laws' traditional values.