"The same lot," the coroner squeaked.

"There are three servants, a man and two women," Robinson went on. "Account for them, Rawlins, and see what they have to say. Come upstairs when you're through. All right, Coroner."

But he paused at the foot of the steps.

"For the present no one will leave the house without my permission. If you care to come upstairs with me, Mr. Blackburn, you might be useful."

Bobby shrank from the thought of returning to the old room even with this determined company. He didn't hesitate, however, for Robinson's purpose was clear. He wanted Bobby where he could watch him. Graham prepared to accompany them.

"If you need me," the doctor said. "I looked at the body—"

"Oh, yes," Robinson sneered. "I'd like to know exactly what time you found the body."

Graham flushed, but Katherine answered easily:

"About half-past two—the hour at which Mr. Blackburn was killed."

"And I," Robinson sneered, "was aroused at three-thirty. An hour during which the police were left out of the case!"