Complex sentence: Neither the arrests of the culprits nor whether or not Mrs. Folliat herself faces any legal charges is mentioned in the novel, which focuses on the despair of Amy Folliat in her allocution to Poirot.
Split into simpler sentences: Neither the arrests of the culprits nor whether Mrs. Folliat herself faces any legal charges is mentioned. There is a focus on the despair of Amy Folliat in her allocution to Poirot.