Grapevine, Texas, police investigate the scene of a shooting rampage that left seven people dead Sunday. Four women and three men who police think were related were found fatally shot. Police said they think the shooter is among the dead. (Dallas Morning News via Associated Press)

Grapevine, Texas, police investigate the scene of a shooting rampage that left seven people dead Sunday. Four women and three men who police think were related were found fatally shot. Police said they think the shooter is among the dead. (Dallas Morning News via Associated Press)