Through CODIS, investigators can positively identify their suspect in as little as a few hours.

CNN: Solving the cold case: Time, DNA and ingenuity can help

Fears that CODIS could be hacked, and DNA profiles used for nefarious purposes, also don't stand up to the evidence.

CNN: If DNA collecting banned, rapists will go free

The CODIS system can also help investigators more easily link a series of crimes to one person as was the case of the recent Long Beach rapist.

CNN: Solving the cold case: Time, DNA and ingenuity can help

The paper estimates that each new profile added to the US DNA database - the Combined DNA Index System, or Codis - resulted in 0.57 fewer serious offences.

BBC: DNA and individual freedom v crime prevention

In fact, CODIS doesn't even contain an individual's DNA profile.

CNN: If DNA collecting banned, rapists will go free

But that's not what CODIS is.

CNN: If DNA collecting banned, rapists will go free