09/21/2015 05:37 EDT | Updated 09/21/2016 01:12 EDT

Catherine Campbell, murdered police officer, to be remembered at funeral

Mourners will gather today in Stellarton, Nova Scotia, for the funeral of a police officer whose body was found in a wooded area near a Halifax bridge.

The service for 36-year-old Catherine Campbell will be held at two o'clock this afternoon at the First Presbyterian Church.

Campbell was a six-year veteran of the Truro police force who volunteered as a firefighter for the past 10 years

Campbell was last seen Sept. 11 and was found dead in Halifax on Wednesday. 

Christopher Calvin Garnier, 27, has been charged with second-degree murder and indecently interfering with a dead human body.

Police are still appealing for witnesses in the case. Specifically, they're looking for witnesses who may have seen a white man, wearing shorts and a T-shirt pushing or pulling a green compost bin from the McCully Street area, up Agricola, North or Barrington streets at around 4:30 a.m. on Sept. 11.

Perrin said they believe the accused was the man pushing the green bin. He said police are not looking for any other suspects at this time. 

Anyone with information is asked to call police at 902-490-5016. Anonymous tips can go to Crime Stoppers at 1-800-222-TIPS (8477).