Police confirm what family friends said Monday, that Azizolah "Bob" Yazdanpanah, 56, fired the fatal shots in the murder-suicide.
Grapevine police identified the victims as his wife, Fatemah "Nasrin" Rahmati, 55; their daughter, Nargis "Nona" Yazdanpanah, 19; and their son, Ali Yazdanpanah, 14. Nasrin's sister, Zohreh Rahmati, 58; her husband, Mohamad Hossein Zarei, 59; and their daughter, Sahra Fatemah Zarei, 22; were also killed, police confirmed.
Police received a 911 call from an apartment in the 2500 block of Hall Johnson Road on Christmas morning. When officers arrived, they found the door locked from the inside.
Investigators recovered two weapons on the scene -- a Smith and Wesson 915 model 9 mm pistol with a 15-round magazine and a Glock 23 .40-caliber pistol with a 10-round clip, Eberling said.