A a married man commits forgery and communicates this fact to his wife who obtains a divorce from he...........

A, a married man commits forgery and communicates this fact to his wife who obtains a divorce from her husband after two years. A year after the divorce, A is put on the trial for the said forgery. Can the wife give evidence touching the forgery against A? Will it make a difference if A does not communicate it?    (5 marks)