1. Laboratory #15: DRUGS AND TOXICOLOGY Copyright © 2014, Elsevier Inc. All rights reserved. 1

2. Powder found at crime scene. Copyright © 2014, Elsevier Inc. All rights reserved. 2

3. Gas chromatography mass spectrometer. Copyright © 2014, Elsevier Inc. All rights reserved. 3 iStockphoto

4. Drug paraphernalia. Copyright © 2014, Elsevier Inc. All rights reserved. 4

5. Pill bottle found at crime scene. Copyright © 2014, Elsevier Inc. All rights reserved. 5

6. Pills found at scene. Copyright © 2014, Elsevier Inc. All rights reserved. 6

7. White powder found at scene. Copyright © 2014, Elsevier Inc. All rights reserved. 7