With 48 minutes remaining before the train reaches the next station, Sherlock declares that William and he can find the murderer in time. Sherlock relies on the evidence at the scene, while William pursues a psychological profile of the killer.
the weapon must have been
a keen blade, such as a knife.
.لا بدّ أنّ سلاح الجريمة كان شفرة حادة مثل سكّين
bei der Tatwaffe um eine scharfe,
messerähnliche Klinge.
el arma debe haber sido
una hoja afilada, como un cuchillo.
a arma foi um objeto
pontiagudo, como uma faca.
острый предмет вроде ножа.