One blog that discusses this with some interesting details can be found here. It is only a short account, some of which is below.
According to Creative Review:
http://www.creativereview.co.uk/cr-blog/2009/may/new-deal-typeface
http://www.researchstudios.com/
"For his upcoming “Public Enemies”, a crime drama set in the 1930′s, he commissioned Neville Brody to design New Deal, an original display typeface for titling and promotional materials. The face was specifically designed with the imperfections of the period taken into account–as signage was often done by artists who weren’t themselves dedicated type designers–resulting in a quirky, uneven character."Click here for full article.
According to Creative Review:
"Jeff Knowles and Neville Brody have been working on the project, having previously created the typeface for Heat and The Insider."For more information about this font and the designers, see the links below:
http://www.creativereview.co.uk/cr-blog/2009/may/new-deal-typeface
http://www.researchstudios.com/