“Three.”
“Only two loaded shells were left.”
“Well, that’s because he usually carried it with an empty space in the cylinder under the hammer. Lots of people do that because it’s safer.”
“So there was one empty chamber, three fired shells, and two full shells in Dover Fulton’s gun.”
“That’s right.”
“Four shells were fired,” I said.
Sellers began to look at me with a certain element of respect. “Of course, Lam,” he said, “you could be right. What do you know about it?”
I said, “I putting two and two together.”
“And making four,” Sellers said, grinning at his own joke.
“And making four,” I told him. “If Dover Fulton had been shooting the gun in a suicide-pact, how could he have fired the shot into the suitcase?”