De Gregorio v. United States

Two police officers of New York entered a building facing on tbe street, passed through a hallway, and came out on a yard behind. In the rear of the yard was a second building with windows facing the first building. The officers looked through these and saw two men in a room where there was a still in active operation. .They jumped in the windows, and both men ran away. The defendant was caught and arrested; the other man escaped. After his arrest, when asked what he was doing in the rooms, the defendant said that be was not the “boss” but was just a working man.

The mere presence of the…