April 15, 2013 6:54 pm Investigation Into Boston Blasts Begins In the aftermath of the Boston Marathon explosions, the Investigative Unit’s Tony Kovaleski talked to federal law enforcement officials from around the country. US & World Videos 0:56 Telemundo 48 hosts Copita Tournament in San Jose 2:00 Families, activists rally amid ongoing Antioch PD racist texting scandal 0:41 Glide Memorial Church honors Rev. Cecil Williams 2:22 Pro-Palestinian protests continue to grow at Bay Area universities 2:24 Pleasanton community gathers to remember family of 4 killed in crash