JacksonandOaks (IMAGE) West Virginia University Caption WVU forensic chemist Glen Jackson and undergraduate researcher McKenna Oaks load a sample for analysis. Jackson and Oaks are using a linear ion trap mass spectrometer, which allows them to follow the fragmentation pathways of different drugs. Credit WVU Photo/Maddy Watson Usage Restrictions NONE License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.