I bit my lips. I had been an arrant fool to betray myself before that man. Yet having done so, I saw that any attempt to conceal my knowledge must of necessity reflect upon me.
"I will see your inspector," I answered with as much calmness as I could muster. "Where has the poor fellow been wounded?"
"Through the heart," responded the constable, as turning the sheet further down he showed me the small knife wound which had penetrated the victim's jacket and vest full in the chest.
"This is the weapon," he added, taking from a shelf close by a long, thin poignard with an ivory handle, which he handed to me.
In an instant I recognized what it was, and how deadly. It was an old Florentine misericordia, a long thin, triangular blade, a quarter of an inch wide at its greatest width, tapering to a needle-point, with a hilt of yellow ivory, the most deadly and fatal of all the daggers and poignards of the Middle Ages. The blade being sharp on three angles produced a wound that caused internal hemorrhage and which never healed—hence the name given to it by the Florentines.
It was still blood-stained, but as I took the deadly thing in my hand I saw that its blade was beautifully damascened, a most elegant specimen of a medieval arm. Yet surely none but an Italian would use such a weapon, or would aim so truly as to penetrate the heart.
And yet the person struck down was a woman, and not a man!
A wound from a misericordia always proves fatal, because the shape of the blade cuts the flesh into little flaps which, on withdrawing the knife, close up and prevent the blood from issuing forth. At the same time, however, no power can make them heal again. A blow from such a weapon is as surely fatal as the poisoned poignard of the Borgia or the Medici.
I handed the stiletto back to the man without comment. My resolve was to say as little as possible, for I had no desire to figure publicly at the inquiry, and consequently negative all my own efforts to solve the mystery of the Leithcourts and of Martin Woodroffe.
I returned to where the figure was lying so ghastly and motionless, and looked again for the last time upon the dead face of the man who had served me so well, and yet who had enticed me so nearly to my death. In the latter incident there was a deep mystery. He had relented at the last moment, just in time to save me from my secret enemies.