The image of two detectives collecting evidence is titled ‘Collecting evidence and forming a hypothesis’. The text next to the image reads as follows: Forensic scientists take photographs and collect materials from the crime scene Investigators use all of the information gathered to formulate hypotheses about how and why the crime took place. The image of the crime scene is titled ‘The crime scene and has the following text next to it: At the scene, the investigations make observations that may shed light on the nature of the crime. The investigators establish the problem to be solved – in this case, who committed the murder? The labels in the image are: The image of analysts analysing the evidence is titled ‘Analyzing the evidence’ and the text next to the image reads as follows: Much of the physical evidence must be analyzed in a laboratory. With a blood sample, for example, DNA is extracted and analyzed and the blood type is established. Within the image of analysts analysing the evidence there are connecting lines that link to the text titled ‘Forensic blood sampling’. The text under this title reads as follows: Articles from a crime scene, such as the blood-stained clothing and the hatchet shown here may match DNA to suspect. The image of an expert studying the evidence is titled ‘Testing hypotheses against the evidence’ and the text next to the image reads as follows: Investigators now test hypotheses on who committed the crime – looking for matches in DNA, fingerprints, or clothing fibers, for example. In some cases, this testing excludes a suspect. In other cases it strengthens the case against a particular person. The image of sheets of paper with writing on them and hatchet titled ‘Drawing conclusions’ has the following text under it: To build a convincing case against a suspect, various pieces and types of evidence may be needed. Evidence might include a fingerprint match, a piece of clothing left at the crime scene, or a connection to the murder weapon.