Michael Jacob stood up silently. He was about 20 feet in front of me and I easily spotted him rise from his chair. I was scanning the crowd in front of me, making closing remarks as I brought that year’s National Missing Persons Day ceremony to a close. It was December 2017, and another annual event to honour and remember Ireland’s missing persons was about to end, with poignant choir music. But the event wasn’t over yet. Michael Jacob had something he wanted to say. He wasn’t a scheduled speaker that day. He had spoken in a previous year, himself…