San Mateo County August 11, 2020 11:25 am Deadly Triple Stabbing in San Mateo County San Mateo County deputies are investigating a deadly triple stabbing that happened at around 5:30 a.m. Tuesday morning. The incident took place in unincorporated Redwood City at a home on Sequoia Avenue. US & World Videos 1:11 24-hour online fundraiser underway for Peninsula nonprofits 0:34 President Biden to visit Bay Area for fundraiser 2:01 16th Congressional district race: Low wins recount, will face Liccardo in November 2:45 16th Congressional district recount results are in, but the wait for the outcome continues 2:14 ‘This is mind-boggling': Man who requested District 16 recount says it's taking too long