Jonathan Creswell's suicide denied Katie Simpson's loved ones the opportunity for a murder trial. Despite Creswell’s death, the subsequent sentencing of three co-conspirators—Jill Robinson, Hayley Robb, and Rose De Montmorency-Wright—for charges related to the cover-up allowed the judge to confirm that Creswell was a "skilled and predatory abuser" with an "established pattern" of abuse against women.

Crime World, with Nicola Tallant, is a weekly Iri…