What Was the Minimal Requirement to Perform a "Classic DNA

What was the minimal requirement to perform a "classic DNA fingerprinting" test in order to associate a blood sample with a criminal?

A) one sample of DNA, PCR amplification, restriction enzymes, and gel electrophoresis
B) one sample of DNA, restriction enzymes, a DNA synthesizer, and gel electrophoresis
C) two samples of DNA, PCR amplification, restriction enzymes, and gel electrophoresis
D) two samples of DNA, PCR amplification, a DNA synthesizer, and gel electrophoresis
E) two samples of DNA, PCR amplification, restriction enzymes, and a DNA synthesizer