San Mateo February 13, 2024 5:05 pm 4 found dead in San Mateo home were husband, wife, twin boys The four people who were found dead inside a San Mateo home Monday morning were a husband and wife and 4-year-old twin boys. Marianne Favro reports. US & World Videos 3:06 Scott Peterson's bid for new trial: Judge rejects nearly all requests to retest evidence 4:13 Elementary school children exposed to chemicals in San Bruno 0:25 Stanford study reveals staying up late impacts mental health 2:50 Chemicals leaked into San Bruno community 3:11 Judge delivers major blow for Scott Peterson's defense