Emily Brent. She was so self righteous and convinced of her own piety.
I felt she could kill people who she felt fell below her standard of righteousness.
I imagine Mr. Blore as being the culprit. He was a police inspector with the skills and resources to do background checks on everyone at the dinner party. He originally lied about his identity to all the guests as being Mr. Davis, but ousted himself after the record was played with the voice. Perhaps this was to throw the others off his scent and to keep them guessing.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
Was Lombard the First Victim, It would have been great if the first Victim had done it or the 1st Victim with the assistanceof \Mrs Rogers who was under his spell as she loved him and would do anything he said