The novel by Dorothy L. Sayers dramatised for radio by David Geary
with Hugh Burden as Lord Peter Wimsey and Clifford Norgate as Det-Insp Charles Parker
PARKER: Look, two doctors examined that body - one with close knowledge of the deceased, the other entirely independent. They found nothing. WIMSEY: As would 99 doctors out of 100. The 100th might be looking for something the others weren't.
PARKER: But looking for what?