There have been some incredible discoveries by Victorian forensic scientists that have led to crooks being caught.

Today, John ‘Sly’ Silvester shared seven of the most impressive.

In one instance, a cigarette company branded cap which was given away at duty free outlets led police to a murderer.

In another, it was only because a murderer and rapist was arrested in Albury, not in Wodonga, that he was caught.

Press PLAY below to hear Sly tell the tales of the most incredible forensic science finds in Victoria