OLD FOLKS AT HOMEMarvia Plum The squeal came in sideways. The reporting person called nine-one-one, Dispatch sent the paramedics, the ’medics reported the subject DOA under dubious circumstances, and the case got bucked to Homicide. Enter Sergeant Plum. Marvia was working swing shift, cruising Berkeley in a black-and-white, when she caught the call. She monitored the traffic, phoned in to McKinley Avenue and told the watch officer that she was responding to the scene. She arrived a microsecond behind the patrol unit. She spotted the maroon and white Paramedic ambulance in the courtyard of Autumn House, the converted Victorian mansion on North Jordan Boulevard that now served as a retirement home for three dozen still-ambulatory seniors. She tipped her hand to Jeff Felton, pleased to s

