Later I became frightened.

2 seconds sound clip from the The Strange Love of Martha Ivers movie soundboard.

You can hear this line at 01:33:18.674 in the Blu-ray version of the movie.

Quote context

[...]

- I never knew until tonight about your aunt or that man. The one they hung. The man that you and Walter killed.

- Sam, help me. Help me.

- All right, Martha. Tell me. Talk.

- All right, Sam.

- I never imagined anyone could die so quickly. I had always supposed that wherever I went she would be with me. That she would never die. But it wasn't like that.

- I expected to find her when I went back to my room.

- Later I became frightened.

- The coroner and the police were sympathetic. The doctor very attentive.

- They believed my story. The one I told Walter's father.

- That night I slept heavily, peacefully.

- How did you sleep the night after they hung that man?

[...]