He left himself as soon as the doctor's supper was served.
Going around on to China alley, he found Leggett somewhat disguised watching the rear entrance to the house of the Seven Delights.
"That man must be shadowed," he said. "It is useless for me to undertake it other than in a general way. He has worked for me and knows my methods of disguising. He is as keen as a razor. Some time ago he fell madly in love with Miss Montgomery, and we had all kinds of trouble with him. I am afraid he is at the bottom of her disappearance."
"I'm on the job. Where shall I lay for him? Here or in front?"
"In front."
"Will I do as I am?"
"It's the best you can do at short notice. Listen. You saw him give me his card. I am going to his room on Stockton street. If I can get in I shall not hesitate to give it a good overhauling. I must be quick. Do the best you can for me, Leggett."
The Secret Service man gave his promise and Old King Brady hurried away.
The Stockton street house proved to be a four-story brick tenement filled with Japanese.
There was a bell-board with names on it, but that of Dr. Garshaski did not appear.