Maggie McPherson Home » Characters » Maggie McPherson Margaret “Maggie” McPherson is a Deputy District Attorney in Los Angeles. She is Mickey Haller’s ex-wife and Hayley Haller’s mother. Appearances The Lincoln Lawyer (2005) The Brass Verdict (2008) The Reversal (2010) The Fifth Witness (2011) The Drop (2011) The Gods of Guilt (2013) The Law of Innocence (2020) Resurrection Walk (2023) The Proving Ground (2025)