AC: Anti-Corruption. Or Assistant Commissioner. Or Air Conditioning. AFO: Authorised Firearms Officer. AKWOTOS: Anyone Know What's On The Other Side? APD: Actor Playing Dead. Perfect work for those able to hold their breath, look glum and lie stock still. Non-speaking role. Pictured, Ted Hastings, played by Adrian Dunbar, from Line of Duty. The programme received record viewing ratings for its last episode ARV: Armed Response Vehicle. 'I can't understand a word they're on about, guv.' 'OK! Send in the ARV!' AYSWHWTEB: Are You Sure We Haven't Watched This Episode Before? B&E: Breaking and Entering B&EaB&Q: Breaking and entering a DIY store.