Jo Lawry is a retired detective having served for over 30 years investigating serious and complex cases. She is an accredited trainer - Diploma in Teaching in the Lifelong Learning Sector (DTLLS) - and has taught law to officers at all ranks, devising and delivering national training programmes, whilst attached to the Kent Police College. She has also been a contributor to Blackstone's Handbook for Policing Students and the online edition of the Blackstone's Police Q&As.