A Fond du Lac man arrested last year in connection with a 2016 mailbox bombing on Doty Street has been convicted. One person was injured in the incident. Jonas Johnson has been convicted of Party to a Crime of Damage of Property by Use of Explosives, Reckless Injury and Reckless Endangerment. A pre-sentence investigation has been ordered. The charges carry a maximum sentence of up to 40 years in prison and 30 years extended supervision.
