On Friday, November 12, 2010, units from the First District responded to the 100 block of Constitution Ave, NW, to investigate the report of a missing person. The missing person was identified as 36-year-old Jacobo Vazquez of the 1100 block of Massachusetts Ave NW. Reporting officers alerted detectives due to the suspicious nature of the disappearance.
On Tuesday, November 16, 2010 at approximately 9:45 am, a body was found along side of the westbound lanes of I-70 in Maryland. Detectives from the Homicide Branch responded to the scene where they were able to make an identification of the decedent as the missing person from the 100 block of Constitution Ave, NW. The body was removed to the Office of the Chief Medical Examiner for the State of Maryland. On November 17, 2010 an autopsy was performed and the manner of death was ruled a homicide and the cause of death to be gunshot wounds. Subsequent investigation revealed that the homicide occurred in the 100 block of Constitution Avenue NW.
On Saturday, November 20, 2010, at approximately 3:30 pm members of the Homicide Branch and Capital Area Regional Fugitive Task Force arrested 34-year-old Marvin Palencia pursuant to an arrest warrant charging him with Murder 1 while Armed. Palencia was arrested without incident in Hyattsville, Maryland.