ALFRED – In an unusual move, a Saco man accused of fatally stabbing a woman in the neck in a Saco supermarket last month has decided to waive all mental health defenses and plead guilty to murder at the first possible opportunity. Connor MacCalister, 31, who was born Tanisha Hopkins but identifies as a transgender male, is accused of randomly targeting Wendy Boudreau, a 59-year-old mother and grandmother, at Shaw’s supermarket on Aug.