It appears the last peice of mail delivered by Agatha Chrisco was to mailbox 334. She was never seen again. Her mail truck was found parked next to mailbox 349, still running. Local police dispatched two detectives to interview the residents of mailbox 349. The two detectives never returned. Their squad car was found parked next to mailbox 349. Subsequent inquiries resulted in the disappearance of the inquirees. Eventually, no more inquries were made due to the lack of resources.
The above story is fictional. However, the residents of mailbox 349 provided some of the best BBQ in the state.