Fargo police announced Monday that a level-three - or high-risk - sex offender violated his probation and is back in jail.
Daniel Fike Grinder had his probation revoked and is now in custody at the Cass County Jail.
He was living at 1423 6th Ave. S. in Fargo.
Grinder was convicted in 2007 in Cass County District Court of gross sexual imposition on three counts, one class A felony and two class AA felonies.
His victims were female acquaintances under the age of 15. Grinder is a lifetime sex offender registrant.
