Police in North Dakota have made four additional arrests, and issued a warrant for a fifth suspect in the shooting deal of local Williston Rancher Jack Sjol.

According to the Jamestown Sun - Jeremy Weyrauch, 31, and Ronald Gibbons, 27, were arrested on suspicion of conspiracy to commit murder.  Isaac Steen, 31, was arrested on suspicion of facilitation of murder, and Amber Jensen, 29, was arrested on suspicion of hindering law enforcement.

An arrest warrant has been issued for Teresa Steen, 33, for facilitation of murder. If you have any information about her location - you are asked to call the Williams County Sheriff’s Office at (701) 577-7700.

Ryan Stensaker, 33, Williston, was arrested May 16 and charged with Class AA felony murder.

Sjol, 58, was last seen April 24 and was missing until his body was found in Williams County three weeks later.