Much confusion surrounds the question what kind of crimes at sea do need attention. The UN Security Council struggled with this question, as does the larger maritime security discourse. To offer new foundations, we offer in a new article a matrix for how to organise the debate. We propose the concept of blue crime as a way of thinking and organising the discussion on transnational organised crime at sea in a new article published with Marine Policy. It is one of the outcome of our TOCAS project and co-authored with Tim Edmunds. Read it here.