The Glass Alibi (1946).

In The Glass Alibi, a reporter (Douglas Fowley) hooks up with a gangster's girlfriend (Anne Gwynne, grandmother of Star Trek actor Chris Pine) and marries a terminally ill woman (Maris Wrixon) for her money, but complications ensue when she does not die as expected and the gangster (Cy Kendall) escapes from prison. The screenwriter is Mindret Lord (Strange Impersonation).