Per MCPD: Two women, one man and a teen are in custody and charged with murder, in connection with the death of 18-year-old Rosa Sanchez Merino. Roberto Carlos Rivera-Delgado, Iris Yudella Alonzo-Salgado, Aracely Abarca-Melgar and Edwin Alexander Rivas-Salvador are accused of killing Sanchez Merino on or about May 1, 2023, and burying her in a shallow grave in the 3600 block of Brookville Road, in Olney.
Rivera-Delgado was arrested for a parole violation in Nevada and extradited to Maryland on Tuesday, September 29, 2023. The 23-year-old suspect led Montgomery County Department of Police – Major Crimes detectives to the location where Sanchez Merino was buried. On October 1, 2023, an autopsy of Sanchez Merino was conducted by the Office of the Chief Medical Examiner, and the death was ruled a homicide.