The Douglas County Sheriff’s Office announced a resolution to a 38-year-old cold case murder Tuesday.
Using modern DNA and forensic analysis, investigators determined that the killer of Rhonda Marie Fisher — found dead in 1987 — was Vincent Groves, believed to be responsible for at least a dozen killings in the metro Denver area during the 1970s and 1980s, according to a news release from the sheriff’s office.
Groves was involved in sex trafficking and drug distribution and had been convicted of murder in 1982, only to be released and commit additional crimes after serving fewer than five years, according to the release. He died in custody in 1996 after he was convicted of two additional murders…