In clearing Alfred Inglethorp, continued Poirot, "I have been obliged to show my hand sooner than I intended. 
Inglethorp was found guilty based on Poirot's investigation.
mnli hypothesis: Inglethorp was found guilty based on Poirot's investigation. premise: In clearing Alfred Inglethorp, continued Poirot, "I have been obliged to show my hand sooner than I intended. 