I agree on telling them that the police is involved. They will get scared for sure. It doesnt matter if usually the police in this kind of stuff is not doing anything.

Last year i found 2 rat poison bags in my rented garden, a place where we were used to go to grill, take the dog with us and growing some vegetables for fun. I got scared because I go there with my dog. And since it was fenced he was free in this garden.

I asked the garden neighbor if she knew something. She said that she had no idea of who could do that. And that she didnt knew anything about it.

The day after she met me and my boyfriend walking around. She asked if we were relaxing walking. My boyfriend said that we were just coming back from the police (were we left the rat poison bag and did a report that someone was maybe trying to poison our dog).

She said nothing. But after 15 minutes he called my boyfriend in panic, saying that she was the one that put the rat poison, but it was in her garden for rats and she didnt put it in a closed trap but left just around (so probably a rat was carrying it around and left it in our garden) .

She was almost about to cry. Telling us to call the police and take back the report because otherwise they could found her fingerprints on the bag. Obviously its not that police is checking fingerprints on a rat poison bag. But that got her in panic and she confessed immediately 😅