This bundle of notes and a sorting activity are a great introductory lesson on how to investigate crime scenes. First, teacher start with the Myths of CSI to assess prior knowledge and then clear up any misconceptions. Then, the teacher will directly instruct students with the PowerPoint and guided notes. Finally, students will sort 36 cards as per their activity sheet and fill in the "shape" column for easy grading. Included are a key for the student sheet and a teacher instruction page.