Possible Clues:

• Source of some political gaffes
• Sound equipment that may pick up a private remark
• One may pick up an embarrassing remark
• Cause of a public embarrassment, maybe
• Press conference danger for an unguarded comment
• Transmitter of some off-script remarks
• It might capture an embarrassing comment
• Capturer of some embarrassing gaffes
• It might pick up a passing comment
• Capturer of an unguarded remark