Mandan Police are opening a 24/7 tip line.
Police say they have opened lines to allow citizens and witnesses to report potential tips in the RJR Maintenance and Management homicide case.
The phone lines will be manned 24 hours a day.
Callers are able to make anonymous tips as well.
The phone number is 701-667-3220
The line will remain open for the foreseeable future.
You can also use the tip411 program as well.
To submit an anonymous tip, download the Bismarck Police Department app, visit
https://www.tip411.com/tips/new?alert_group_id=21828 or text RJR and your tip to 847411