“Why not?”

I said, “She’d been out late the night before. She was sleeping late. She was still asleep when someone gave her door a buzz.”

“What makes you think so?”

“The paper under the door.”

“I see. Go ahead.”

I said, “You don’t keep lipstick on when you go to bed, do you?”

“No.”

“Neither did Evaline Harris. She removed her makeup and got into bed. Her visitor came before she had a chance to put any make-up on. They sat on the bed and talked. Her visitor was a woman. It was the caller’s cigarette stub that had the lipstick on it.”

The cab driver pulled into the kerb in front of the Key West Apartments. “Want me to wait?” he asked.

I said, “No,” and handed him a dollar.