Rapid City Authorities Arrest 22-Year-Old in Fatal Stabbing Investigation

Detectives from the Rapid City Police Department (RCPD) and the Pennington County Sheriff’s Office (PCSO) worked overnight to pursue leads in the investigation of a fatal stabbing that occurred the previous evening.

During their investigation, law enforcement identified Diontae Eagleman, a 22-year-old from Rapid City, as a person of interest.

Eagleman was located and, after being questioned by authorities, was arrested on charges of First Degree Murder. He is now being held at the Pennington County Jail.

The identity of the victim is being withheld as authorities make efforts to notify the next of kin.

The investigation remains ongoing, and anyone with information is urged to contact RCPD Investigations at 605-394-4134 or submit an anonymous tip by texting ‘RCPD’ followed by the information to 847411.