Killer on the Ward: 1. Patient Zero

The defence challenges the science behind Norris’ convictions, but can they persuade the judges?

The view that fatal hypoglycaemia is vanishingly rare in non-diabetic elderly patients comes under question as the science begins to shift.

As Louise looks again at the investigation into Colin Norris, the story of Lucy Rowell helps her understand how the case against him was built.

After one of Britain's most complex medical trials, the newspapers get their headline as Colin Norris is convicted of four murders and one attempted murder.

With no confession and no eyewitness and only a forensic smoking gun for one patient, a jury must decide whether five patients were poisoned and whether one man links them all.

As the police investigation grows, so do questions about how Colin Norris became the focus of an extraordinary inquiry.

Convicted nurse Colin Norris has spent 18 years behind bars. But as Louise Shorter revisits his story, new questions emerge.

A nurse convicted of murder. A case shadowed by doubt. A fight to clear his name. Did Colin Norris kill his patients? Or has the UK spent two decades believing the wrong story?

After the team uncover another crack in Eric Adusah’s story to police, Myles heads to the United States to finally face the Prophet.

Women come forward to tell of the Prophet’s past before his quick marriage to Charmain. Is Eric Adusah the pious preacher he portrays himself as?