Grover Beach police say they found narcotics and drug paraphernalia but "no signs of obvious foul play" after the bodies of a middle-aged woman and man were discovered in a private residence Thursday evening.
Officers were sent to the residence in the 100 block of Newport Ave. to conduct a welfare check on an unconscious woman.
"A police officer was first to arrive and determined the woman and an adult male located in the same room of the residence were obviously deceased," according to a police statement.
Police secured the scene and conducted an investigation, joined by detectives and coroner investigators from the San Luis Obispo County Sheriff's Office.
"Illegal narcotics and drug paraphernalia were present at the scene and its relation to the deaths is being investigated," according to the police statement.
Police are withholding the names of the deceased until next of kin are notified; an autopsy will be conducted on both bodies.
"Anyone with information regarding this investigation is asked to contact Detective Brad Carey at (805) 473-4511 or via e-mail at email@example.com. Anyone wishing to remain anonymous can call the San Luis Obispo County Crime Stoppers at (805) 549-7867.
This story has been updated with more information about the circumstances.