Crime - DNA evidence

There has been an ongoing argument that DNA evidence is becoming too strong in helping to convict suspects in trials. It has been thought that this may make police less vigourous in their collection of evidence if they have a DNA match to a suspect.

Below is a link to an article that confirms the strength of DNA as a means of conviction.
http://www.smh.com.au/nsw/court-dismisses-dna-appeal-case-20100518-vcao.html