The answer to the question posed in the title is yes, but the real issue is why and how? To read about such a case where Prop 47 was denied for someone being accused of felony shoplifting (Penal Code § 666) due to an obligation to register as a sex offender from a juvenile matter, click on the following link, as the appellate court ruling contains some interesting logical reasoning.
http://www.greghillassociates.com/can-prop-47-relief-be-barred-for-a-juvenile-record.html.
