Authorities Investigating Fatal Box Elder StabbingPosted by John AxtellDate: October 12, 2020411 Views Authorities in the Rapid City area are investigating the stabbing death of a woman Sunday night in Box Elder. Investigators say 39-year old Tessa Curley of Box Elder was stabbed at an apartment building about 10:30. An autopsy Monday morning confirmed stabbing as the cause of death. The Pennington County Sheriff’s Office and the Box Elder and Rapid City Police Departments are conducting a joint homicide investigation. Anyone with information asked to contact Investigator Nick Nelson at the sheriff’s office.