DNA Fingerprinting Is Now Widely Used to Tie a Particular

DNA fingerprinting is now widely used to tie a particular suspect to the DNA samples found at a crime scene. What benefits can be derived from this technology in fighting crime?

A) "Persons of interest" can be excluded more rapidly as suspects, so police can focus on other leads.
B) A jailed convict can be proven to have no connection to evidence found at a crime scene.
C) Solid matches can aid a district attorney's case in proving guilt to a jury.
D) All of the above are true.