A preliminary hearing in the case is scheduled for March 21.

 A North Dakota man is accused of attempting to have sex with a minor.

Thomas Dietz, of Bismarck, is charged with felony human trafficking. A preliminary hearing in the case is scheduled for March 21.

Authorities say the 34-year-old Dietz made arrangements with an undercover sheriff to have sex with a 14-year-old girl.

The Bismarck Tribune reports (http://bit.ly/Wtot21) that Dietz allegedly drove from Bismarck to a Minot hotel, where he was arrested.