Los Angeles ( CNN ) -- A 12-year-old Southern California boy admitted he made a fake emergency call that sent police to Ashton Kutcher 's Hollywood home last year . The juvenile 's `` swattting '' also targeted Justin Bieber 's Calabasas , California , home and a bank , the Los Angeles County district attorney 's spokeswoman said . Dozens of emergency personnel rushed to Kutcher 's home on October 3 , 2012 , only to find workers inside and no emergency , police said . Kutcher , who was on the set of his TV sitcom `` Two and a Half Men , '' also rushed to his home . `` The comments of the call advised that there were individuals inside the location with guns and explosives , and that several people had been shot , '' a police statement said . The boy , who is being prosecuted as a juvenile and not identified , will be sentenced by a juvenile judge in his home county , according to the spokeswoman for the Los Angeles County district attorney . `` Swatting '' usually is done by computer hackers , who use online skills to make a false report of a serious crime in progress , police said . `` The swatting practice is extremely dangerous and places first responders and citizens in harm 's way , '' police said .
Police rushed to Ashton Kutcher 's home in response to fake 911 call . A 12-year-old will be sentenced by a juvenile judge in his home county . `` Swatting '' is extremely dangerous , police say .