Sisters in Crime (SinC) is an international organization founded in 1986 to champion and promote women writers and content creators in mystery, thriller and true-crime genres. Today, SinC is made up of more than 4,500 members in 50+ chapters worldwide — authors, readers, publishers, agents, booksellers, librarians, and others who love mysteries. Serious and tragic or light-hearted and funny; sexy or sweet; suspense, spy, or serial killer. 

Crime writing has room for—and needs—new voices, different perspectives and new twists on stories with secrets and discoveries, of guilt and innocence, or justice and injustice. Sisters in Crime welcomes anyone who loves crime fiction: all genders, all genres, all stages of writing, all ages writing for all ages, and readers.