Will Northern Ireland dissidents be able to exploit Brexit chaos?

Brexit is viewed by republican dissidents as an “opportunity” rather than a political end in itself, say politicians and security officials. Yet it would be wrong, says one UK security expert, to expect a sudden upsurge in violence after the UK leaves the EU. But, he adds, the security situation will become harder to manage after Brexit, with even the slightest hardening of the border likely to provide a tempting target for extremists. The idea of border checkpoints enforced by police or immigration officers remain unlikely but even softer options, such as the addition of automated cameras to check the movement of goods as they cross the border, could be magnets for dissidents looking to send a message