"I specialize in murders of quiet, domestic interest"

Agatha Christie's quote is a referral to her popular investigator stories, which typically include murders of a domestic nature. The expression "quiet, domestic interest" suggests that the murders are not sensationalized or overly remarkable, however rather are more subtle and individual. This could refer to a murder that takes place within a family or a close-knit community, where the victim and wrongdoer are understood to each other. It could likewise refer to a murder that is encouraged by an individual vendetta or a dispute between 2 individuals. In any case, the quote suggests that Agatha Christie specializes in stories that concentrate on the intimate information of a murder, rather than the marvelous aspects. By highlighting the peaceful, domestic interest of a murder, Agatha Christie has the ability to create a more engaging and sensible story.