Lori Aratani Reporter specializing in transportation, including airports, airlines and the country's rail and subway systems, Dec. 8 at 12:37 PM Alexandria Police announced Saturday the arrest of A man from Maryland following the 20-year-old woman's bullet killing the day before. William Thomas Layton, 32, of Largo, Maryland, is held without bail at the Alexandria Detention Center following the death of Diamond Moore. The authorities said that he had been charged with murder, possession of a firearm by a violent crime and the use of a firearm during the perpetration of the firearms. ;a crime. Police reacted to the announcement of a shootout on Block 5500 of Holmes Run Parkway around 9:45 am on Friday. There, they found Moore in the street with an upper-body injury. She was taken to a local hospital where she died. Police said it was the fourth murder committed in Alexandria this year. Authorities said the investigation was ongoing and were asking anyone with information about the incident to contact Detective Loren King at 703.746.6689. [https://wapo.st/2L3mUDK] .