Ripley sold his spec script for Source Code in 2007 to Universal Studios. It was ranked as one of the top unproduced screenplays in the annual Hollywood black list. In an interview with the Writers Guild of America, Ripley talked about his script and the uncertainty over its production:
A Henderson effort was deflected wide and then Stanley came close on 32 minutes when Ben Woods’ ... Ben Woods had a go from distance but it was comfortable for former Reds goalkeeper ConnorRipley.