that a man should be murdered for that.\"
Mme. Storey made no comment.
\"Moreover,\" said the doctor, \"the unfortunate man must have made an appointment to meet the murderer in the laboratory, for there was no work to call him back that night. We had discussed it in the afternoon. And he must have let the man in himself. Why should he have made an appointment with a robber?\"
\"Obviously robbery was not the murderer's main object,
that a man should be murdered for that.\"
Mme. Storey made no comment.
\"Moreover,\" said the doctor, \"the unfortunate man must have made an appointment to meet the murderer in the laboratory, for there was no work to call him back that night. We had discussed it in the afternoon. And he must have let the man in himself. Why should he have made an appointment with a robber?\"
\"Obviously robbery was not the murderer's main object,
