They compared Dreyfus's handwriting to that on the memo and concluded that it was a match, even though outside professional handwriting experts were much less confident in the similarity, but never mind that.
Confrontarono la scrittura di Dreyfus con quella del pezzo di carta e conclusero che corrispondevano, anche se esperti calligrafi esterni erano molto meno sicuri  della corrispondenza, ma ci passarono sopra.