Police in Massachusetts say they're working to identify a suspect after a teacher's aide was found strangled to death in her apartment.
Worcester police said Thursday that 49-year-old Sandra Hehir, a middle school instructional assistant, was found dead on the floor of her home around 11:15 a.m. Sunday.
Police say a resident of the building had found the body. An autopsy determined the cause of death was homicide by strangulation.
The investigation is active and ongoing.