Using Handheld Raman Spectroscopy Equipped with Orbital Raster Technology for Field Detection of Cocaine and its Impurities in Fingernails Posted on December 2, 2022December 2, 2022 By Becky Carter Megan Wilson, Dhiya Al-Jumeily, Jason Birkett, Iftikhar Khan, Ismail Abbas, Sulaf Assi Spectroscopy; 37; 2022 Access article Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Toxicology