In the vice-presidential debate, a fly landed on Mike Pence’s head for two minutes. Here is an excerpt from an online article: "The Hidden Symbolism of Insects in Western Painting."
Fly -- symbol of rot, wasting away, decay, death, melancholia. A fly hovering over a church official or nobleman indicates disfavor with the king or corruption and dereliction of duty.
Jay Leno would have loved to read this story on his segment called "Stupid Criminals."