Who killed Mr Wright? Give a support reason

Born Minnie Foster, she used to be a happy, lively girl who sang in the local choir, but after she married John Wright, her life became unhappy and forlorn. Although she does not appear in the play, she is the main suspect in her husband's murder and sends Mrs. Peters and Mrs. Hale to collect a few minor items for her from the farmhouse. The clues of domestic abuse lead the reader to suspect Minnie as the murderer.