The Sudbury OPP is looking for information in regards to the murder of an Estaire woman that occurred four years ago.

Police started the investigation into the murder of Sheri-Lynn McEwan, 40, of Estaire back on October 7, 2013.

A thorough extensive search of the crime scene was carried out, but no arrest has ever been made.

Police are now seeking the public’s help in the cold case.

The OPP is appealing to anyone who may have seen any suspicious activity to their tip line at 1-866-220-2250 or Crime Stoppers at 1-800-222-8477 (TIPS).