He communicated with one Para by email, inviting him to meet at a certain place and then he shot him dead. The other two dead Para’s were standing outside an ATM when he drove by and shot them as well. This happened a few days or a couple of weeks apart. He shot a third Para and he is in critical condition.
From what I recall, during the troubles in Northern Ireland, British soldiers were banned from wearing their uniforms off-duty outside their bases, because the PIRA would have murdered them...