“The Alisons have done more than strengthen the hand of advocates of non-coercive interviewing: they have provided an unprecedentedly authoritative account of what works and what does not, rooted in a profound understanding of human relations. That they have been able to do so is testament to a joint preoccupation with police interviews that stretches back more than 20 years.” Like many heated debates, the one surrounding the efficacy of torture features a lot of loud proclamations from people who don’t know what they’re talking about. From The Guardian: Expert interrogators know torture doesn’t work – but until now, nobody could prove it.