Recent Prince George's County Crime Reports (11 Feb 2010)

Washington Post (County police reports, generally for January 25 -January 31, and municipal police reports which may cover earlier and later dates)

Gazette:

• County Police, Districts 1-6 (February 1 - February 7) 
• Weekly list of county murders
  
• Greenbelt
• Laurel

Mount Ranier (February 2-3, 8-9, 9-10, 10)

Police Press Releases (February 4 - February 10) Crime mapping

• 02/09/2010 Travel Advisory / Snow Removal Activity (2673)
• 02/10/2010 Police Investigate Homicide on 55th Place (2674)

Sheriff's News Releases (None posted since 7 Aug 2009)

See also three non-official sites with more user-friendly interfaces than the official site:

• Crime Blotter 
• Crime Reports (does not seem to show recent homicides)
• Murder in Maryland, Washington, DC, and beyond