From Chelsea Phua and Bill Lindelof at sacbee.com:
Roseville police said today they are investigating why a reported home invasion ended in a bloody scene where three people lay dead.
The incident, which began when a 16-year-old boy called police to report an intruder in the home he shared with his parent, resulted in the shooting of his mother and father and the suicide of the intruder, police said.
All three people were found dead in an upstairs bedroom of the house on the 1600 block of Alnwick Drive late Tuesday night, police said. The teenager was unharmed.
Neither the mother, 49, the father, 52, or the suspected shooter, a 35-year-old man, have been identified, pending notification of family.
"Nothing indicates that this is random," said Roseville police detective Jerry Wernli said. Police suspect no other people are involved in the killings.
Roseville police spokeswoman Dee Dee Gunther said that shortly before 9 p.m. Tuesday police received a 911 call from the son reporting that a man, whom he did not know, had entered his house and shot his parents. The boy escaped, although it's unclear if he fled the house before officers arrived, police said. He was taken to safety by officers.
Police said that although the teen did not know the suspected killer, the man was known to his parents. Detectives are investigating the relationship between the gunman and the boy's parents and also the motive for the killing.
About 10 officers responded initially, Gunther said. Police surrounded the house and closed nearby streets to traffic. They later summoned the Tri-Cities Regional SWAT team, which deployed a camera-equipped robot to check the interior of the house before team members entered the building at about 1:40 a.m.
Five cars, including two Sports-Utility vehicles, were parked outside the house, which was cordoned off with yellow crime scene tape. Detectives and crime scene technicians worked gathering evidence.
Autopsies will be conducted Thursday.
The killings are an anomaly in Roseville, a city known for its low violent crime rate. 2008 FBI statistics ranked the city as the safest from violent crime in the region for cities of similar size. The last homicide in Roseville was in March 2007.
