Who hid the drugs? Brooke? His wife? If SHE hid them, why? It would ve been more logical if she d handed them to her husband. If HE hid them, why did he not go dig em up quietly on his own, instead of bringidng a whole police squad with the risk of being seen - as he was?
shareAlice hid them. Nuri was late meeting her at the station, so she left. On her way home, she stopped at the cemetery, took them out and hid them. I can't recall if they explicitly explained why she did it instead of just going home and removing them. But the indication was that she wasn't thinking straight because one of the containers was leaking and she was being affected by the drugs.
Brooke didn't know where the drugs were. He needed the police/CCTV to help track where Alice went from the station to home and had hidden the drugs. Since after his wife killed her, she didn't see, take or hide the drugs.
I don't trust people who don't like pets and I don't trust people who pets don't like.