[ Yeah, so. Rin sets a bowl on her podium. It's filled with tea dregs and some sort of... flower? ]

I examined Cooper's body. There were hardly any notable injuries on it, but... I found a teapot filled with this nearby. It looks like some of what had been brewed came straight from the garden, but I don't know a lot about plants, to be honest. Can someone who knows more take a look?