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Sentencing date set for man who killed 4 at Mandan business

October 5, 2021 GMT

MANDAN, N.D. (AP) — A sentencing date has been scheduled for the man convicted of killing four people at property management business in Mandan in 2019.

Chad Isaak is scheduled in court Dec. 28 where he faces the possibility of life in prison on each of his four murder convictions.

A Morton County jury in August found Isaak, 47, guilty in the deaths of RJR Maintenance and Management co-owner Robert Fakler, 52; and employees Adam Fuehrer, 42; Bill Cobb, 50; and his wife, Lois Cobb, 45.

The four were shot and stabbed April 1, 2019, in the RJR building in Mandan. Investigators said the victims suffered more than 100 stab wounds.

Isaak lived at a Washburn property managed by RJR, but a definitive motive for the slayings was never established.

Isaak’s defense team maintained during the nearly three-week trial that investigators didn’t seriously consider other possible suspects.


South Central District Judge David Reich ordered a presentence investigation after the verdict. The jury also found Isaak guilty of burglary, unlawful entry into a vehicle, and a misdemeanor count of unauthorized use of a vehicle, the Bismarck Tribune reported.