Who Murdered Mathilda?

Mathilda is brutally murdered Udolph is the obvious suspect remembers everyone how she jilted him David her last lover is inconsolable Evan's appearance raises suspicion right before the murder he met her Ergot the butler had seen him going out Rocky was with him could be an accomplice Inspector Brown finds it a tough case so many suspects but all with good alibi Dr. Thomas isn't sure about the cause of death autopsy is necessary for the confirmation visible though are the abrasions on her neck Inspector Brown interrogates all the suspects dogs are brought to find smells of trails.