Drugfire

[1] It is a multimedia database imaging system that allows examiners from across the United States to compare and link evidence obtained in the form of spent cartridges and other ammunition casings.

[2] Before Drugfire was invented, firearm examiners had to rely on a technique devised in the 1920s to compare ammunition markings.

[3] From the years of 1991 and 1992, MSI devolved Drugfire, a forensic imaging system that allows investigators to compare ammunition markings from a specific shooting to databases of seemingly unrelated shootings which allowed the FBI to solve numerous cases.

A month after Cain's shooting death, an Oakland patrol officer pulled over Jovan Reynolds and Henry Bruce for a routine traffic stop.

When the gun was test-fired and entered into the Drugfire system, police found that its bullet matched the slug that had come from Cain's body.