Kan also found that he had wilfully turned a blind eye on the contents of the capsules because he was tempted by the US$2000, which was a large sum to him. When Smith, who had befriended him and had appeared to help him get out of Pakistan, also offered him the US$2000, he did not want to ask any questions or check the capsules himself. Consequently, even if he may not have actual knowledge that he was carrying diamorphine, his ignorance did not exculpate him because it is well established that ignorance is a defence only when there is no reason for suspicion and no right and opportunity of examination.