A Stone County Arkansas man has been sentenced to 50 years in prison on sexual assault charges. 38 year old Timothy mcCrobie of Mountain View Arkansas was sentenced to 40 years on 20 counts of sexual assault of a child and 10 years for two counts of sexual indecency with a child. During the course of the investigation McCrobie allegedly admitted to engaging in sexual contact with a 13 year old girl. The incident happened more than 15 years ago. McCrobie was arrested in July of last year.