Authorities have concluded that a New Jersey man and his wife died over the summer as a result of a murder-suicide.
The Essex County Prosecutor’s Office disclosed the deaths shortly after they occurred in Maplewood, but had not provided a cause.
Michael Constantino, 71, ingested anti-freeze and died after stabbing to death his 73-year-old wife Kathleen Constantino at their home on the 400 block of South 4th Street on July 11, officials said…