CHAPTER XIX
THE FIRST CLEW
The janitor of the building was Mike Donovan, an aged Irishman, who was assisted in his work by his wife and his daughter Kittie, aged about fifteen.
"'Tis me yez want to see?" queried Donovan, as he shuffled into the inner office, hat in hand.
"You are the janitor of this building?" questioned Dick, looking him over carefully.
"I am that, sur."
"Can you tell me who is in the habit of cleaning this particular office?"
"Well, sur, we are all after takin' a hand at it. I ginerally do the swapin', and me wife or Kittie, me daughter, do the winder clanin' an' the dustin'."
"During the past four or five days, have you noticed anything unusual around this office?" went on Dick.
"Phat are ye after mainin'?"