Mark Cusack Williams et al.
Father Brown is a TV series starring Mark Williams, Sorcha Cusack, and John Burton. Series inspired by the stories of GK Chesterton; a Catholic priest has a knack for solving mysteries in his English village. In Series 5, Episode 2, the adopted son of a murdered woman is arrested - it is assumed he committed the crime because he has the most to gain financially from his mother's death. The neighbor confesses to the crime at Father Brown prompting.