Wildly racing through the night, missing other cars by a breath, the visible car continued its pursuit of—what?
On Lees' quick and clever action depended the life of "Old Perk" Ferguson, the millionaire manufacturer threatened by the uncanny, invisible killer.
The inquest into the mysterious death of Darius Darrow, savant, inventor, recluse and eccentric, resembled a scientific convention. Men and women of high scientific attainment, and, in some instances, world fame, attended to hear first hand the strange, uncanny, unbelievable circumstances as hinted by the newspapers.
Mrs. Susan Darrow, the widow, was the paramount witness. She appeared a quaint figure as she took the stand. Tearful, yet alert, this little woman betrayed the intelligence that had made her one of the world's foremost chemists. She gave her age as fifty-eight, but if it had not been for her snowy hair she would have looked much younger. She was small but not frail, and had expressive blue eyes. She had a firm little nose and chin, and was garbed in black silk garments of a fashion evidently dating back a decade.
Although not modern in dress, her answers to questions regarding scientific and business affairs involved in the mysterious case, proved she was thoroughly abreast of the times in all other particulars.
"You believe your husband was murdered?" bluntly asked the examiner at one stage.
"That is my opinion," she said, then added: "It might have been some scientific accident, the nature of which I cannot fathom. We were confidential in all matters except my husband's work. He reserved the right to be secretive about the scientific problems on which he was working."
"Can you throw any light on a motive for such a crime?"