TIM O'MARA, a Barry-nominated author, is best known for his Raymond Donne mysteries about an ex-cop who now teaches in the same Williamsburg, Brooklyn neighborhood he once policed: Sacrifice Fly (2012), Crooked Numbers (2013), Dead Red (2015), Nasty Cutter (2017). O'Mara's short story, The Tip, is featured in the anthology Unloaded, and his novella, Smoked, was published in the trilogy Triple Shot, both from Down & Out Books. He teaches middle school and lives in Manhattan.