HomePeninsulaCommunity CommunityCover 12-year-old arrested on suspicion of attempted murder by stabbing in San Mateo By Pen 360 Press 2023.10.12 0 1016 FacebookTwitterPinterestWhatsApp Police were able to find the 12-year-old suspect walking in the 800 block of North Humboldt Street around 8:20 p.m. and he was arrested and booked into Hillcrest Juvenile Center on suspicion of attempted murder. By Bay City News. Sec