full day. police are not saying how she and the gunman actually were connected to all of the rest of the victims, and in a town where murder is rare, a sergeant said he was having trouble keeping track of the number of dead. at one point he ended enhaving to count on his fingers while speaking with reporters. mike tobin is live. the death of this mom, we understand -- the theory that may have triggered this. >> reporter: right. that's the speculation of the texas county coroner, tom whittaker, as reported by thela7l"jx "st. louis post dispatch." meant went to the mother russ 'yzpd4ouwpgafter the shooting spree, and they found her dead on the couch. then possibly the gunman, who found her, win on the spree, went to the additional scenes. four additional houses and shot people in the homes. they are now detailed as three women, four men ages 40s into their 60s. the man police are identifying as the gunman, 36 years old,