July 19, 2011 10:02 pm Man's Schizophrenia Clouds Family Deaths Brian Williams, a 24-year-old prime suspect in his mother and sister’s Monday stabbing deaths in Rancho Penasquitos, suffered from a serious mental disease, police sources told NBCSanDiego. US & World Videos 7:30 US Coast Guard crew helps save Oceanside Pier during fire | San Diego News Daily 2:48 Water contact closure lifted near Oceanside Pier, where massive fire erupted 0:27 1 killed, another injured in double stabbing in Escondido 0:44 13-year-old boy killed, others injured in suspected DUI crash in Escondido: Police 3:30 US Coast Guard crew helps save the Oceanside Pier