Use "skullduggery" in a sentence

1. That is, until skullduggery enters the scene

2. His adversary was a trained and experienced expert at dealing with and overcoming deceit and skullduggery

3. The crowd will not believe any part of his doing it now, they will always suspect skullduggery, and they should

4. Then you will see the true social interplay of unvarnished hate, envy, and jealousy, and plotting, and treachery, and skullduggery explode into the open instead of being hidden behind closed doors and closed hearts and closed minds