NEW YORK—A New York City couple in their 70s was killed Monday in what the police commissioner said was a “horrific double homicide, robbery and arson” — the man tied to a pole and stabbed, the woman’s body severely burned as their home went up in flames.
Frank Olton, 76, and Maureen Olton, 77, were found dead around 3:30 p.m. Monday, about 20 minutes after surveillance video showed suspect Jamel McGriff walking near their Queens home. The couple’s son, a fire department EMT, called 911 after being alerted to the fire by the couple’s alarm monitoring service. A fire marshal ruled that the fire was intentionally set….