How many movies have Michael Robison and Nancy Grace collaborated on?

They have worked on 4 movies together! Their first movie together was Hailey Dean Mysteries: Dating Is Murder (2017) while their highest rated movie together was Hailey Dean Mysteries: Killer Sentence (2019). They have not worked together since Hailey Dean Mysteries: Killer Sentence (2019). They are most known for their tv movie films together.