“Did you shut that door yourself?”

“I do not know. I must have but I—”

“Never mind explanations. You do not know whether you shut it, or whether some one else shut it?”

“I do not.”

The words fell weightily. They seemed to strike every heart.

“Miss Cumberland, you have said that you telephoned for the police.”

“I telephoned to central.”

“For help?”

“Yes, for help.”

“You were some minutes doing this, you say?”