April 20, 2016 6:45 am WATCH: Thieves Use Hammers in Jewelry Smash-and-Grab Heist Security cameras captured two thieves as they smashed out display windows of an Arcadia jewelry store Tuesday April 19, 2016. US & World Videos 2:42 Executive staff to LA County DA accused of mishandling confidential police files 2:58 UC Irvine students launch solidarity encampments 2:36 Student's mother tries to stop vandalism at USC 3:45 Walkout supporting pro-Palestinian protesters at UCLA 3:22 USC activists request emergency campus student dialogue