Here's a list of common abbreviations & acronyms that might stump a first time visitor to this site.
AHMM - Alfred Hitchcock's Mystery Magazine
EQMM - Ellery Queen's Mystery Magazine
MS - Mystery Scene
PW - Publishers Weekly
MWA - Mystery Writers of America
SINC - Sisters in Crime
PWA - Private Eye Writers of America
CWC - Crime Writers of Canada
CWA - Crime Writers' Association (UK)
ITW - International Thriller Writers
TCOT - The Case of the
NYPD - New York Police Department. Similar: LAPD (Los Angeles)
ATF - U.S. Department of Alcohol, Tobacco, Firearms and Explosives
AG - Attorney General