“Perhaps so. Or—it might be as well for us to liberate you now. But you must be very careful and not betray us.”

“Oh, I will promise.”

“Very well.”

The detectives now lifted the iron bar and opened the cell door.

It creaked a bit, but after listening carefully the detectives were convinced that they were not betrayed.

In another moment Evelyn Grimm, the supposed victim of the Fifteenth street crime, walked out safe and well.

The Bradys felt that they had made a great step toward the winning of this remarkable case.

While they knew that the crime charged against the trio was thus disproved, yet there was sufficient evidence against the gang to hold them for the law.

So they did not deem the case by any means ended, with the liberation of Evelyn Grimm.

Along the corridor to the end of the wing they now all crept.