A bright spring morning. The boat haven is abuzz with industrial activity, the parking lot in front of the nearby diner, full. The scent of frying bacon follows me up the trail before dissolving into the stench of low tide rot. When I first pass him—me walking at a fast clip, he sitting on a bench, head surrounded by a black hood—my internal radar begins pinging hard. The glance I take from my periphery reveals a face contorted in rage, his hands gripping the edge of the bench, a coiled thing. He is shouting, incoherent, words garbled, but enough of the syllables take shape to understand they are directed at me. I have no choice but to keep going. Coming toward me, about 300 yards up…