Mandan police report no suspects as they continue to investigate four homicides. The bodies of Robert Fakler, 52, owner of RJR Maintenance and Management, and employees Adam Fuehrer, 42, Lois Cobb, 45, and William Cobb, 50, were discovered Monday morning at the business, 1106 32nd Ave. S.E..

So far little information has been released on the homicides. Police haven’t said what type of weapon was used, whether it was recovered or when the killings occurred. Police found the bodies when they responded to a call for a medical assist at 7:30 a.m. Monday. Mandan Police Chief Jason Ziegler has said at two press conferences that they do not believe the public is in danger. "This was very specific to the victims that were involved," Ziegler said. "There is nothing that was at the crime scene that would lead us to believe anybody outside the victims involved are in any danger."

State and local police searched in a field Wednesday afternoon about half a mile from the business, though they did not say whether the search was related to the case. Half a dozen vehicles, including a state Bureau of Criminal Investigation truck, were at the scene, parked near a snowbank in the field.

Mandan police have opened a tip line that’s being answered 24 hours a day for citizens or witnesses who have information related to the case. The number is 701-667-3220 and callers can remain anonymous. Tips also can be reported anonymously through the Bismarck Police Department's tip411. Tips can be submitted by downloading the app, visiting www.tip411.com/tips/new?alert_group_id=21828 or by texting RJR to 847411.

A combined memorial service will be held Tuesday in Bismarck for the four victims. The service for Fakler, the Cobbs and Fuehrer will be at 11 a.m. at Bismarck Community Church, 1617 Michigan Ave. Funeral director Bob Eastgate said the families decided to have a combined service because their loved ones were not only co-workers, but friends. "They were very, very good friends as well," said Eastgate, owner of Eastgate Funeral and Cremation Service. "They were all that close."

The memorial service is open to the public.

RJR opened Wednesday morning after being closed Monday and Tuesday as police investigated the scene. The company posted on Facebook that donations, such as cash, food and paper products, will be shared between the Cobb and Fuehrer families. Capital Credit Union has established two accounts for donations to the families.

Midway Lanes, which neighbors RJR in Mandan, has set aside a room this week for gifts and donations to the property management company. Several assorted bouquets and cards have already been donated. "We would also like to extend our complete gratitude to our beautiful community at this time," RJR posted on Facebook Tuesday. "We cannot thank you all enough for the generosity and support."

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Reach Amy Dalrymple at 701-250-8267 or Amy.Dalrymple@bismarcktribune.com.