Now Patsy trailed in behind them.
The way was up Fourth Avenue, only a few blocks, when Masson turned into a saloon on the corner, making a signal for the two men to follow him.
The young detective passed in close behind the two.
A hasty glance about the room showed him that it was well thronged by customers, something he had hoped for.
It also showed him that a partition formed a small room in the corner on the side on which was the bar.
At the end of the bar, nearest this small room, was a large and rather ornamental icebox. At the end of the box, furthest from the bar, and out of sight of it, was a door leading into the hall by which the upper floors of the house were reached.
This door was open and swung back against the partition, leaving a space behind it.
Masson made his way through the customers to this small room, followed by the two men.
He ordered drinks for them, and when they had been served and paid for, he closed the door, shutting himself up with them.
Patsy slipped behind the hall door. He could hear nothing, however.