I had gathered that he was set up by someone in Parliament to make Catholics look bad.
One plot accusation after another. Before that one there was the "Babbington Plot" that ended up having the uncrowned true legitimate Queen of England, Mary Queen of Scots. Then later on there was the "Titus Oates Plot." Even the American Revolution was a setback for Catholics England since things were orchestrated to end up having the two Catholic nations of France and Spain aid the Americans which ended up causing George III to have disdain for Catholics, whereas before he was closer to being more favorable to them.