"Hard work."
Taking the folder handed over by Michelle, Luo An opened it.
The judgment of the Forensic Science Division aligned with Luo An's previous judgment—the cause of death for Sande Jisi was indeed the two 9mm bullets to the chest.
The Forensic Science Division also performed ballistic testing on the two bullets and discovered that the gun used by the perpetrator was not listed in the FBI's internal database nor was it in any commercial gun sales records; it was an unregistered gun making its first appearance.
However, the Forensic Science Division has already entered this gun's data into the FBI's internal database, so they have the opportunity to catch the person should this gun be used again.
"Right, in the victim's chest area of the clothing, the Forensic Science Division found this item."
Michelle took out a small transparent evidence bag from her pocket, which contained several blood-stained headshots.