• Upon arrival at a crime scene the first responding police officer to a crime scene is responsible for:- Acquiring medical assistance for injured victimso Medical personnel avoid disturbing evidence and approach the victim by an indirect route.- Detaining any potential suspects or witnesseso Statements are taken from victims, witnesses, and suspects.- Securing the crime scene to the greatest extent possibleo The boundary is sealed off, and guards are posted at the entry to the crime scene if neededo All civilians and unauthorized personnel are excluded from the crime scene.