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76-year-old man arrested in murder of CVS manager

WARRENTON, Va. - The Warrenton Police Department says they have arrested a man in the July 26th murder of Rex Mack Olsen, a manager at CVS.

Photo Credit: Baker-Post Funeral Home & Cremation Center

According to the Fauquier Commonwealth's Attorney's Office, Bernard Clark Duse, Jr., 76, was arrested around 4:35 a.m. Wednesday morning at his Alexandria home.

Duse was charged with First Degree Murder and Use of a Firearm in the Commission of Murder.

Back on July 26th, officers were dispatched to the CVS Pharmacy located at 510 Blackwell Road after reports of a deceased person.

When they arrived, they found Olsen's body near a dumpster having suffered from what appeared to be a gunshot wound.

The Commonwealth's Attorney's Office says Olsen was the store manager at the time of his death and he was a supervisor to Duse.

Both of them lived outside of Fauquier County, but commuted to the CVS for work.

Commonwealth's Attorney, Jim Fisher, says the arrest is the result of six days of difficult and time consuming work on the behalf of multiple law enforcement agencies including his office and Warrenton Police, along with the Fauquier County Sheriff's Office, Virginia State Police, the Fairfax County Police Department and the U.S. Marshal's Service.

According to Olsen's online obituary, he worked as a retail manager for CVS for 25 years.

In a statement, a CVS spokesman says:

"All of us at CVS Pharmacy continue to mourn the death of our colleague, Rex Olsen, and it is upsetting that another colleague, Bernard Duse, was arrested. We deeply appreciate the efforts made by law enforcement to quickly investigate this matter. We are continuing to provide support and counseling services to our Warrenton store colleagues. Because this is an on-going criminal proceeding, we cannot comment further at this time."

Through his time with CVS, the obituary says he made many friends and was a favorite of many of his co-workers, which led to some requesting to make the transfer with him when he had to move locations.

His obituary says he leaves behind a wife and two sons, loved the outdoors and gardening, and above all us, his family and friends.

The Commonwealth's Attorney's Office says the investigation is on-going.

Duse's preliminary hearing date has not been set yet.