(NECN: John Moroney, Lynnfield, Mass.) - Police are investigating what appears to be a double murder-suicide.
Three people were found dead last night, including a pregnant woman, inside a home in Lynnfield, Massachusetts.
Authorities believe 51-year-old Joseph Cummings of Lynnfield shot his pregnant girlfriend, 35-year-old Kimberly Nguyen, and her sister, 29-year-old Lilly Nguyen, to death before killing himself.
Kimberly Nguyen's 12-year-old daughter fled to a neighbor's house and the 911 call came from that home.
Autopsies are scheduled, and the slayings remain under investigation.
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