Abnormal behaviour, the person who administers poison to someone else can be identified as he is having derangement of his normal behavior. :
प्राप्तः प्रकृतिविकारः ( prāptaḥ prakṛtivikārah )Meaning: Abnormal behaviour, the person who administers poison to someone else can be identified as he is having derangement of his normal behavior.
