<prompt> Nystens rule peains to -Rigor moisIdentificationBullet injuriesPutrefaction  <response>: Nystens rule states that Rigor mois does not sta in all muscles simultaneously, it appears first in involuntary muscles. Ref: K.S.Narayan Reddys Synopsis of Forensic Medicine and Toxicology, 29th edition, Chapter 7, Page 88. 