True crime author M. William Phelps and criminal profiler John Kelly delve into the mind of an incarcerated serial killer to gain insight into unsolved murders.

M. William Phelps is an American crime author and researcher. Starting from January 2012, he hosted and produced the dramatized Discovery Network series "Dark Minds," featuring unsolved serial murders. Together with criminal profiler John Kelly and insider information of a serial killer under the alias "Raven" they try to gain more insight into these unsolved murders. Each episode is ends with asking the public for help, bringing the the cases to the audience's attention to try to solve them.