John is suspected of stealing two cartons of beer from local supermarket. He denies the allegation when questioned by the police. The police carry out a search at his home. Whilst in his bedroom, they break open a locker and discover three packages of white powdery substance which later on were identified as heroin by the government chemist. He was subsequently charged for being in unlawful possession of the said drugs. At his trial. John object to the introduction of evidence of the discovery of the drugs on the ground that it was illegally obtained. Advise John.​