"This structure is actually very valuable in evidence extraction—it's like a natural 'collector.' If there were liquid evidence at the time—such as blood spatter—it would likely flow along the inner wall to the depths and settle there."
"If we can cut it open entirely and directly wipe or cut samples from the inner wall, the sensitivity and success rate of tests might be much higher than the surface dust we just extracted."
Upon hearing this, Director Hou thoughtfully nodded and said in a deep voice, "Your analysis is indeed very logical, with clear thinking and rigorous logic, providing us with important direction for our subsequent work."
As soon as he finished speaking, Political Commissioner Li took out a hand saw from the toolbox beside him and carefully handed it over.
Jiang An steadily took the saw, took a deep breath, aimed the teeth at the extraction spot determined earlier—the hidden cavity mark within structural seams—and began carefully and cautiously cutting.
