"Crime doesn't pay" says Neil Broderick. This maxim, originating as a slogan of the FBI and given wide currency by the cartoon character Dick Tracy, was first recorded in 1927.
Tomorrow at Seven is available for free download at the Internet Archive.
The earliest documented telecasts of this film took place in New York City 2/4/48 on WCBS (Channel 2), in Washington DC 2/19/48 on WMAL (Channel 7), in Salt Lake City 10/6/48 on KDYL (Channel 4), in San Francisco 4/13/49 on KPIX (Channel 5), and in Los Angeles 1/21/50 on KECA (Channel 7).