Surveillance video caught the moment when a mob of hammer-wielding, hooded thugs pulled off a smash-and-grab jewelry store robbery in broad daylight. A vehicle is seen backing into the San Jose store's entrance, which created an opening for at least a dozen crooks to pour in late last week. 'This is appalling. Watching this senior get assaulted made my blood boil.' San Jose police confirmed it's investigating an "armed robbery" that occurred at the Kim Hung Jewelry store on the 1900 block of ...