One of four men arrested following a home invasion in Fond du lac County has been convicted. Derrick Johnson pleaded guilty in Fond du Lac County Circuit Court to an amended charge of party to the crime of armed robbery, and 2nd degree reckless injury and no contest to 1st degree reckless injury. Charges of burglary while armed, a second count of reckless injury and theft were dismissed and read into the record. A pre-sentence investigation was ordered. A sentencing hearing is scheduled for August 12th. Johnson and three other individuals were accused of robbing a couple at their town of Auburn home on Double D road last December.