Vikki Petraitis is best known for her true crime books including the bestselling book The Frankston Murders about serial killer Paul Denyer, and her first book, The Phillip Island Murder, which has been featured in several TV shows and podcasts. In her true crime books, Vikki has covered everything from police dogs to Lawyer X, the Russell Street bombing and sex crimes.

Her expertise lies in interviewing police and victims to create compelling narratives. In recent years, Vikki has made two hugely successful podcast series with Casefile Presents, which have topped charts around the world and been downloaded millions of times. She is now working with the Casefile team developing new true crime projects.

Vikki began a PhD in Creative Writing at La Trobe University in 2017 in order to continue to expand her writing skills. She brought thirty years of true crime writing and investigating to create her first work of fiction, The Unbelieved. In a parallel career, Vikki is also a teacher with a Master's degree in IT Education. She runs creative writing workshops and short courses in schools and local libraries. She is also a popular presenter, well-known for her compelling true crime talks and keynote addresses.