15:00Crime Catch-UpLord Peter Wimsey - Murder Must Advertise: Inexcusable Invasion of a Ducal EntertainmentBBC Radio 7 Duration: 30 minutes Sat 5th Sep 2009, 15:00 on BBC Radio 7A new disguise for the posh sleuth as he probes an advertising copywriter's death. Dorothy L Sayers' drama with Ian Carmichael.GenresDramaCrimeBrandCrime Catch-Up Source: BBC Online