The El Paso County Sheriff’s Office is investigating a possible murder-suicide involving a woman and her estranged husband.

Deputies found the two Monday morning inside a home in the 14000 block of Nichlas Court in the unincorporated Gleneagle area of northern El Paso County after a caller had requested a welfare check on their neighbor, 53-year-old Yoon Jung Shin.

The caller said Shin had not been seen for several days and that a vehicle belonging to her estranged husband, 64-year-old Donald Johnson, was parked in her home’s driveway.

After no response from residents inside, deputies and Monument police officers forced their way inside and found the bodies of Shin and Johnson.

Johnson died from an apparent self-inflicted gunshot wound, the Sheriff’s Office said.

Sheriff Office detective is investigating the case as a murder-suicide. The official cause and manner of death will be determined by the El Paso County Coroner’s Office.