Mandan Police, along with the assistance of the North Dakota Bureau of Criminal Investigation and the McLean County Sheriff’s Office is following up on a lead that led investigators to Washburn.
A person of interest related to the RJR quadruple homicide has been detained. This is an ongoing investigation.
We will continue to update with further developments as this progresses into the evening.
Arrest made in homicide case, 44-year-old Chad Isaac
More on “person of interest” being detained by law enforcement
Memorial Service open to the public
Timeline: A look at how the week has unfolded
More information on the Tip Hotline
Questions remain on Day 3 of the investigation
More on the business reopening
More on Day 2 of the investigation
Mandan residents discuss heartbreak of the last 24-hours
Donations pour in for RJR families
First homicide in Mandan since 2016
More stories on the Mandan homicides
