Fond du Lac County Sheriff's OfficeFOND DU LAC, Wis. (CBS 58) — A 46-year-old Milwaukee man has been federally indicted after authorities say a traffic stop in Fond du Lac County uncovered cocaine, methamphetamine and MDMA. According to the Fond du Lac County Sheriff's Office, a deputy and K-9 stopped the man's vehicle shortly before 11:45 p.m. May 29 on Interstate 41 near Lost Arrow Road. Fond du Lac County Sheriff's Office Fond du Lac County Sheriff's Office Fond du Lac County Sheriff's Office Fond du Lac County Sheriff's Office Fond du Lac County Sheriff's Office Fond du Lac County Sheriff's OfficeAuthorities said the man has a criminal history dating to 1993 that includes convictions involving sexual assault, burglary, drug offenses, bail jumping, forgery, resisting or obstructing an officer and possession of a firearm by a convicted felon. According to the sheriff's office, the alleged offense carries a mandatory minimum sentence of 10 years in prison and a potential maximum sentence of 15 years. The sheriff's office did not identify the man in its release.