3. 2 7E Learning Cycle Whose footprints? Considering the reliability of evidence. Spattering of blood Applying ideas about reliability in the context of blood spatter patterns. Death of a Rockstar What is a cold case? Death of a Rockstar What makes evidence reliable? A game of Darts Exploring a reliability analogy. Reliability trust Checking understanding of reliability. A game of Darts Creating a reliability checklist.