Cell Door Magazine - Written by prisoners for the enjoyment and edification of the free world. CellPals Prison Newsletter - Newsletter with current events, essays and guest commentaries on prison life. Journal of Prisoners on Prisons - A journal of writings by prisoners about prisoners. Includes back issues. Journal of Gang Research - Information on the quarterly publication of the National Gang Crime Research Center. FAQs, index of articles, and ordering information. PI Magazine - Trade publication for private investigators, detectives and law enforcement professionals. Site includes articles, investigator directory, classifieds, equipment reviews, books and DVDs. Homicide Studies - Information about the quarterly journal of the international Homicide Research Working Group.