Chad Isaak, 47, was convicted in August of murdering four people at RJR Maintenance & Management in Mandan, N.D., in 2019. He told a judge, “I’m not a murderer.”
A North Dakota man convicted of stabbing four people more than 100 times during a quadruple murder at a property management company in 2019 was sentenced on Tuesday to four consecutive life sentences in prison without the possibility of parole. The man, Chad Isaak,47, maintained his innocence during a nearly 90-minute sentencing in District Court in Mandan, N.D., where relatives of the four victims recounted the suffering that he wrought in a series of killings that remain unexplained. The victims had also been shot a total of at least eight times. Their bodies were found on April 1, 2019, at RJR Maintenance & Management in Mandan, a city of about 20,000 people across the Missouri River from Bismarck, N.D. After a three-week trial, a jury found Mr. Isaak guilty in August of the murders of Robert Fakler,52, the company’s co-owner; employees Adam Fuehrer,42, and William Cobb Jr.,50, and his wife, Lois Cobb,45. The company had managed a mobile home property in Washburn, N.D., where Mr. Isaak lived, though a motive for the killings has not been established. “Chad Isaak, you’re a monster who deserves nothing more than to spend the rest of your life rotting in prison and thinking about the wrong you’ve done,” Amy Cobb, Mr.
