How many movies have David Christoffel and Michael Mahoney collaborated on?

They have worked on 4 movies together! Their first movie together was A Town Without Christmas (2001) while their highest rated movie together was The Memory Keeper's Daughter (2008). They have not worked together since Escaping the NXIVM Cult: A Mother's Fight to Save Her Daughter (2019). They are most known for their drama films together.