Forensic Medicine When any two objects come in contact there is always a transference of material from each object on to the other. This is called : A Locard's exchange principle B Corpus fouling C Metallic fouling D Rule of Haase 💡 Explanation When any two objects come in contact there is always a transference of material from each object on to the other. This is called : ✓ Correct Answer: A. Locard's exchange principle