Duration Probation Length of Sentence Legal Defense 40 Months 12-month prison sentence Federal Prison Length of Prison Sentence Four Years and Seven Months Prison Sentence Robert Sanford First-time Offender Kenneth Bonawitz Sentence Maximum Prison Sentence Eight Years Life Sentence Sentencing Date 100-Year Prison Sentence Sentencing for Rape Six Days in Prison Flexibility Minimum Sentence Life Imprisonment Legal Proceedings Driving Offences Guilty Plea Fines Sex Offenders Register Legal Consequences R. Kelly Trial Assault Conviction Extended Supervision