http://www.nytimes.com/2005/12/31/nyregion/31crime.html
Al Baker
"Crime has fallen across New York City for the 17th consecutive year, with subway crime down by more than 5 percent from last year and the number of recorded murders virtually certain to be the fewest in any single year since 1963, new Police Department statistics show."
Langan, Patrick A. and Matthew R. Durose (BJS statisticians) The Remarkable Drop in Crime in New York City, (Paper presented at the International Conference on Crime, Rome, Italy, December 2003) PDF - http://samoa.istat.it/Eventi/sicurezza/relazioni/Langan_rel.pdf