Grapevine police investigate the scene where they found seven people dead outside Dallas in Grapevine, Texas, Sunday, Dec. 25, 2011. Four women and three men who police believe to be related were found apparently shot to death, and authorities said they believe the shooter is among the dead. Six members of a Texas family apparently opened Christmas presents just before a relative dressed as Santa Claus showed up, opened fire and killed them before killing himself, police said Monday. Grapevine police spokesman Sgt. Robert Eberling said the shooter showed up in the Santa outfit shortly before gunfire erupted and was...