The case is an old one, so there's no need to rush.
They heard Lu Chuan could do voiceprint analysis over at the High-speed Rail New District, so they sent it over to give it a try.
The spectrograph arrived earlier than expected, delivered to the Criminal Investigation Team on Wednesday afternoon.
Qin Yong arranged for the purchase of a domestic spectrograph. This device was previously made abroad and it's only been a couple of decades since domestic research and manufacturing began.
Even after domestic production, the price of this thing isn't cheap.
Among the dozens of pieces of equipment in the Crime Scene Investigation lab, it's considered one of the more valuable ones.
There aren't many people in the Crime Scene Investigation, but in terms of total assets for the entire Criminal Investigation Team, the Crime Scene Office can claim first place.
There are nearly forty pieces of equipment, big and small.
