Authorities still cannot tell us definitively who pulled the trigger in the death of Dr. Christopher Anderson and his family members.
We expect an update into the investigation this week. Anderson was a well-known orthodontist in Lubbock.
His body along with the bodies of his wife and his mother-in-law were found Monday in two residences in Northwest Lubbock County.
Lubbock Orthodontist and Family Scheduled for Autopsy