So I killed Mutant Snails until I got 30 clams for attendance, but no Wanted Monster's Clue for the Bounty Hunter event.
Re-read the NPC's instructions. He said "kill monsters all over Maple Island". Didn't make sense but I went there, killed a few hundred monsters, still no Clue.
Went back, started killing in Oblivion 5. With Mutant Ribbon Pig and Greed Pendant. Killed a few hundred Chief Oblivion Guardians. Still no Clue.
Is it that rare of a drop? Or am I doing something wrong?