He opened the car door for Della Street. She jumped in with a quick, lithe motion, then switched on the dome light and looked over behind the rear seat.
Mason laughed. “Why the precautions?”
She said, “I haven’t felt easy in my mind since you set that trap and used yourself as bait.”
“You noticed the can was still on the shelf?” Mason said.
“Uh huh. That must mean that it was Steele who was getting the messages.”
Mason started the car. “There are one or two other possibilities.”
“Such as what?”
“Tragg nabbed Junior before he had a chance to go down in the basement.”
She thought that over, said, “That’s right,” then remained silent. Just before Mason turned into her street, she said, “I guess I haven’t what you call a logical mind. The more I think of it, the dizzier I get.”
Mason said, “Go to sleep and forget it.”