Carlos Diaz Cotto, a 44-year-old Hispanic/Latino man from Philadelphia, was shot to death on November 7, 2007, on the 400 block of West Spencer Street in Olney. Police were called to the scene and found him suffering from a gunshot wound to the back; he was pronounced dead at the scene. Reporting describes the incident as a robbery during which three masked men entered the location, variously described as a home or a grocery store, and Cotto was shot after trying to intervene.

Physical evidence at the scene included DNA from a mask used in the crime. That profile was eventually entered into CODIS, and on December 24, 2020, a comparison returned a result consistent with Ryan Keel, who was already in federal custody on an unrelated FBI matter. A more recent sample from Keel matched the scene evidence when compared on May 4, 2021. An arrest warrant followed July 21, 2021, and charges were filed August 12, 2021, including murder, conspiracy, robbery, and firearms offenses. Investigators said they were still seeking the other suspects involved.

Does anyone have information about the three people described as entering that location on November 7, 2007?