However, the next morning, they find the guards knocked out and the painting stolen. Holmes learns that Lupin disguised himself as a visiting French painter, and hid before Lestrade arrived. Lupin leaves behind a letter with a clue as to where he will strike next.
The following morning, they uncover the guards in a state of unconsciousness and the painting is gone. Holmes identifies that Lupin impersonated a visiting French painter to hide before Lestrade's arrival. Lupin leaves behind a note suggesting his next target.