An arrest has been made in the homicide case out of Mandan North Dakota that left four people dead in a building that housed a property management business. Authorities have arrested Chad Isaak of Washburn North Dakota and he is facing four murder charges. According to police, investigators were able to get an ID of the suspect on surveillance footage of him leaving the scene. He was tracked down in a vehicle about 35 miles away from Mandan. Upon pulling his vehicle over, officers say they found evidence linking him to the murders, but did not say if the evidence was the murder weapon.