John Chatterton was on FM99 with Tommy & Rumble to talk about Shadow Divers, as well as the upcoming (October) book about the Titanic expedition. Below is the link for download of the interview, it's about 14mins long and 13mb.
http://82.165.149.221/download.aspx?a=DOWNLOAD&id=16935
http://82.165.149.221/download.aspx?a=DOWNLOAD&id=16935