Melanson , 15 , and Ruben Raymond Miranda , 16 , committed gruesome attack last April in California . Woman , 87 , named as Jane Doe , was tied up and beat using knives and bottles inside her own home . Miranda and Raymond Miranda were charged with burglary , elder abuse with great bodily injury , sexual penetration with a foreign object by force and rape . Teens will remain in juvenile custody until 18 before being transferred to state prison ; both will register as sex offenders for life . Woman , who is wheelchair bound and has to use oxygen tank to breathe , told boys in court they did 'evil things ' and 'took away her independence '
Raymond Miranda , 15 , and Ruben Melanson , 16 , committed gruesome attack last April in California . Woman , 87 , named as Jane Doe , was tied up and beat using knives and bottles inside her own home . Miranda and Melanson were charged with burglary , elder abuse with great bodily injury , sexual penetration with a foreign object by force and rape . Teens will remain in juvenile custody until 18 before being transferred to state prison ; both will register as sex offenders for life . Woman , who is wheelchair bound and has to use oxygen tank to breathe , told boys in court they did 'evil things ' and 'took away her independence '