Danger Street (1947)

Pat Marvin, a photographer/reporter for a magazine gets some pictures of a gambling place and barely escapes with her life. The publisher decides to sell the publication, and the staff, headed by the editor, Larry Burke, get the money together to buy it. Larry and Pat decide to get some pictures of a never-photographed society deb, Cynthia Van Loan, and, in the process, stumble upon a murder, identify the killer, expose the girl's scheming fiancée, and get their pictures.