Jackson Hershel Johansson, 24, of Rexburg was sentenced to 15 years in prison Monday morning after pleading guilty to two felony counts involving CSAM. | Daniel V. Ramirez, EastIdahoNews.com REXBURG — A 24-year-old man was sentenced to 15 years after pleading guilty to two felony charges involving explicit content of children. Jackson Hershel Johansson was charged last June with felony possession and felony distribution of child sexual abuse mat…