Their Murder solving abilities
Writer: Knows about psychology and imagination. Insight into human nature.
Solicitor: Can sift impartially through the evidence, logical method of arriving at the truth.
Artist: Woman’s intuition; creative and seeing things others won’t.
Clergyman: Hears things and sees a side of the human character that is a sealed book to the outside world.
Detective: Has years of experience.
Miss Marple: By living in a village for all these years and gaining insight into humans.