What's the best way to kill a partner and not get caught

@SW-User I was thinking arsenic on a powdered dessert.

@SW-User 😏

@Pfuzylogic nope won't work

@Souls
They must dissolve it in a drink.

@Pfuzylogic Yes, high doses of arsenic would kill a victim but it would show up on medical reports after testing they would then try to find where the victim received it and who gave it to him. killings are usually based on people close to the victim they will dig until they find the suspect nobody has arsenic lying around