Unreliable Narrator

The Murder of Roger Ackroyd

by Agatha Christie

The Murder of Roger Ackroyd: Unreliable Narrator 1 key example

Chapter 26: And Nothing But the Truth
Explanation and Analysis—Nothing But The Truth:

In Chapter 26, it becomes abundantly clear that Dr. Sheppard is the killer and has been an unreliable narrator. Poirot reveals that not only can Sheppard not be trusted:

I went through similar actions [to those you took when you murdered Ackroyd] the other day, when you were with Mrs. Ackroyd—it took ten minutes exactly.