Elijah was blackmailing Margot for stealing family heirlooms years ago. When she discovered Elijah was the one who originally framed her father, she killed him to protect her inheritance and clear her family’s name.

Margot Haines. She confesses if you present the diary page + the cellar will.

Elijah Croft, the estate’s former steward.

If you’re stuck on the final reveal or just want to confirm you’ve solved everything correctly, here are the official answers to the Murder at Old Fields mystery:

Murder at Old Fields – Complete Answers & Solution Guide

Finally solved “Murder at Old Fields” – here are the answers (spoilers, obviously)

Let me know if I missed any of the side-quest clues. Happy to help anyone still stuck on the well puzzle!