http://www.trutv.com/library/crime/ Everything from gangsters to terrorists, spies, notorious murders and the criminal mind
http://www.crimemuseum.org/library/ Forensic investigation, execution, imprisonment and criminal law
http://www.grammar.ccc.commnet.edu/grammar/quiz_list.htm Fun quizzes for anyone wanting to brush up on grammar
http://www.pinterest.com/ibdawards/pins/ Discover your next indie author here
http://www.crime-scene-investigator.net Learn about evidence collection, photography, and crime scene response
http://www.goodreads.com Look for indie thrillers here and post your reviews
http://www.indiewritenet.com A place where indie writers and aspiring writers can gather for discussion and support
http://crimeculture.com Essays on crime fiction, crime films, true crime, serial killers, reviews and interviews
http://www.crimespace.ning.com A place for readers and writers of crime fiction to meet, with lounges where you are invited to "pull up a chair at the bar and share your poison."
http://www.independent-authors.org More support for indie writers
http://www.publetariat.com Mountains of useful information for writers--you name it, it's here.
http://www.sociopathworld.com Everything you wanted to know about sociopaths.
http://www.agathachristie.com For every Christie fan, a great site with information on Dame Agatha's books, plus quizzes and puzzles