In two Supreme Court decisions, Mincey v. Arizona and the Michigan v. Tyler, the Supreme Court advised law enforcement that when time and circumstances permitted, obtaining a search warrant for investigating and recovering physical evidence at the scene was of paramount importance.
Under what circumstances are warrantless searches and recovery of evidence from a crime scene permissible by law?
Provide your own short scenario of a crime scene for one of the circumstances that you provided in your initial response and discuss your reasoning why the recovery from that scene would be lawful and proper.
What circumstances would make that same recovery of evidence from that crime scene improper and illegal?