WOODBURY - Nassau Police Commissioner Lawrence Mulvey and County Executive Ed Mangano (R-Nassau) announced today a double-digit decline in major crimes in the county.According to the latest statistics, murders were down by about 13 percent in 2010 compared to 2009, while the number of rapes declined by more than 21 percent for the same time period. One area with a slight increase was burglaries, which were up about half a percent. Overall, all major crime reports were down nearly 11 percent. Mulvey says even though the number of officers has decreased, using technology and intelligence has enabled police to pinpoint crime, and in many cases, prevent it. For a press conference with County Executive Ed Mangano on Nassau's crime statistics, go to your digital cable box and select iO Extra on Ch. 612.