6:48 PM

Dennis Horn has been charged with distribution of a controlled substance

Authorities in Stone County are treating the overdose deaths of two men found in a home near Kimberling City as homicides.

Stone County Sheriff's Captain Tim Gideon says Robert Murray, 45, of Kimberling City and Mark Marshal, 46, of Sparta, were found dead in a house at 97 Terrace Crest Lane in Reeds Spring after they allegedly bought Fentanyl patches from Dennis Horn, 50, of Reeds Spring. 

According to the probable cause statement, Todd Rogers told Sgt. Matt Maggard that he had taken Marshal and Murray to 18 Aire Lane on Monday September 26th to purchase 10 Lorcet tablets from Horn for $40.00.  Rogers says Murray and Marshal returned to Horn's residence about 8:45 the next morning and purchased two Fentanyl patches.

Rogers told Maggard that he witnessed Murray and Marshal "cook" the Fentanyl with apple juice on the stove and then found them unresponsive about 9:45 a.m.

A life flight helicopter was called to the scene but Murray and Marshall were already dead

Gideon says Murray and Marshall extracted the Fentanyl with a needle and then injected it causing their deaths.

During a search of Horn's residence a box of Duragesic patches was found with seven patches still inside the box.  Horn, who filled the prescription for ten patches on September 26th, was wearing one of the patches when investigators arrived at the house.  According to the directions on the prescription, a patch was to be replaced every 72 hours.

Southern Stone County Fire Protection District crews, St.Johns EMS, St. Johns Lifeline, and Stone County  responded to the incident near State Highway OO near Kimberling City about 9:45 a.m. First responders began CPR and continued life saving measures for nearly an hour.  Despite their efforts, both patients were pronounced dead at the scene by Stone County Coroner Rick Stumpff.

Southwest Missouri Forensics will conduct autopsies on Murray and Marshal tomorrow in Springfield.

Stone County prosecutor Matt Selby has charged Horn, who is being held on $100,000 bond, with two counts of distribution of a controlled substance.  "There's just not enough evidence to charge Mr. Horn with anything else at this time," said Selby.

Fentanyl (aka  Durogesic, Duragesic patches,) is a potent synthetic narcotic analgesic with a rapid onset and short duration of action. It is a strong against at the u-opioid receptors. Historically it has been used to treat breakthrough pain and is commonly used in pre-procedures as a pain reliever as well as an anesthetic in combination with a benzodiazepine.

Fentanyl is approximately 100 times more potent than morphine.