After the tragic death of Katie Simpson, Detective Sergeant James Brannigan made aware of the case by journalist Tanya Fowles. 
Brannigan initiates an investigation into Katie Simpson's death after recognising the failure of the PSNI to flag 
Jonathan Creswell's prior domestic abuse conviction, or to look into his version of events on the night of Katie's murder. Creswell, and the people around him, have questions to answer.

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