Evidence Pack Laboratory: Ballistics and Spatter This Evidence Pack contains the following pieces of information: Transcript of Official State Version Crime Scene Sketches with Notes Crime Scene Photographs with Notes Autopsy Results You will need to refer to this information throughout Part 1 and Part 2 of this lab. Transcript of Official State Version Here is the official version of events, given to newscasters by the Fenwickan government. You can listen to the audio version online in the Case Study activity. Transcript An assailant killed the prime minister and his deputy during an insurrection. As soldiers guarded the presidential office building during the insurrection, an armed man managed to enter the prime minister s outer office. He apparently stabbed and killed the prime minister s deputy. He entered the prime minister s office. While the prime minister sat at his desk, the assailant shot the prime minister twice with a handgun, hitting him in the chest and head. Two soldiers entered the office and shot the assailant three times in the chest. The assailant collapsed where he stood with the handgun still in his hand. The soldiers called for medical assistance. The prime minister was already dead. His body was removed from the scene and taken to a military morgue for subsequent autopsy and examination. The bodies of the assailant and prime minister s deputy were also taken to the morgue. 2012 K12 Inc. All rights reserved. Page 1 of 8
Crime Scene Sketch 1: Prime Minister s Outer Office 2012 K12 Inc. All rights reserved. Page 2 of 8
Crime Scene Sketch 2: Prime Minister s Inner Office 2012 K12 Inc. All rights reserved. Page 3 of 8
Crime Scene Sketch 2a: Prime Minister s Inner Office (Desk Area) 2012 K12 Inc. All rights reserved. Page 4 of 8
Outer Office See Crime Scene Sketch 1 Crime Scene Photos: Blood Evidence 2 West Wall 3 North Wall Blood type is A positive. 6, 7, 8 East Wall Blood drop sizes are 1 4 mm. Blood type is A positive. 5 Blood Trail to Inner Office Blood drop sizes are 1 4 mm. Blood type is A positive. Blood drops in the trail on the floor: Elongated Size 4 6 mm Width/Length 0.86 mm Blood type is A positive. 2012 K12 Inc. All rights reserved. Page 5 of 8
Inner Office See Crime Scene Sketches 2 and 2a. 10, 11, 12 West Wall 17, 18 North Wall Blood drop sizes are all less than 1 mm and elongated. Blood type is B positive. Blood drop sizes are all less than 1 mm and elongated. Blood type is O positive. 20 East Wall 13 Blood Trail from Assailant to PM Blood drop sizes are 1 4 mm. Blood type is a mix of A positive and O positive. Blood drops in the trail on the floor: Elongated Size 4 6 mm Width/Length 0.86 mm Blood type is O positive. 2012 K12 Inc. All rights reserved. Page 6 of 8
Autopsy Results The following are autopsy results from the deputy, the assailant, and the prime minister that are relevant to the crime. Deputy Blood type: A positive Description of wounds: The deputy had four stab wounds in the upper part of the chest. The wounds were angled upward, indicating that the attacker stabbed in thrusts downward. The deputy s throat was slit completely across from side to side below the larynx. The cut had penetrated halfway through the neck, severing both carotid arteries and the trachea. Assailant Blood type: B positive Description of wounds: The assailant had three holes in his chest. The entrance wounds were on the right side of the chest between the ribs, and the exit holes were on the opposite sides. The holes appeared to have been fired at an angle of zero degrees or parallel to the floor. Each wound was 7.5 mm in diameter and looked like this: The assailant s hands were swabbed and tested for gunpowder and primer residues by chemical tests and by scanning electron microscopy/energy dispersive X-ray analysis (SEM/EDX). None of the tests found any traces of gunpowder or primer residue on the assailant s hands. Prime Minister Blood type: O positive Description of wounds: The prime minister had two slashes, one across the middle of each forearm. The slashes were perpendicular to the bones. He had one gunshot wound in his chest. It was angled about 45 left of the center axis of his sternum (breastbone) and was halfway down his rib cage. The entrance wound of the chest injury looked like this: 2012 K12 Inc. All rights reserved. Page 7 of 8
The prime minister also had one gunshot wound to the head. It was angled downward from above the right temple, as illustrated below. The entrance wound of the head injury showed burned skin around the perimeter. The diameter of the entrance wound was 8.8 mm. The exit wound had torn edges and was located behind the left ear. Both wounds are shown in the photographs below. Entry Wound Exit Wound 2012 K12 Inc. All rights reserved. Page 8 of 8