Jiang Yuan inspected the evidence's windbreaker at the scene, intentionally taking a magnifying lens to examine several potential fingerprints. He then used new technology to refresh his mind and looked up, saying, "I need a high-resolution spectral imaging device. Do you have one?"
Standing opposite him were two police officers from the archives room. Faced with Jiang Yuan's inquiry, they could only lift their overtime eyelids, feeling both mentally and visually dazed.
"The provincial department has a Resonon push-broom type with a resolution of 5.5 nanometers; I borrowed it once before," said the rushing criminal science technician Zheng Feng, a "young" expert under 40.
"Anwan City doesn't have one, right?" Jiang Yuan was somewhat unwilling to give up and tried asking again.