Any small error, a fingerprint or DNA evidence left behind at the scene, could offer cops a key clue and mean the whole gang goes down for the crime.

Source: https://www.thescottishsun.co.uk/news/10001118/worlds-biggest-unsolved-26million-diamond-robbery/

Boston Police Commissioner Michael Cox said the cases in which Nilo is suspected are all connected by DNA evidence.

Source: https://www.insurancejournal.com/news/east/2023/05/31/722897.htm

DNA evidence from the second attack ultimately led detectives to link Bennett to the murder of Sposito and at least two other sexual assaults.

Source: https://www.samfordcrimson.com/arizona-sheriff-identifies-suspected-killer-in-1987-cold-case-murder-of-college-student-on-hiking-trial-2023-08-27.html

Her body has not been found, but DNA evidence and personal items recovered at a transfer station led investigators to believe her husband killed and dismembered her, then discarded her remains.

Source: https://www.newser.com/story/333405/brian-walshe-indicted-for-allegedly-slaying-wife.html

He said investigators had found DNA evidence possibly linked to two other people on Connolly.

Source: https://alaskapublic.org/2023/12/19/oregon-man-convicted-of-murdering-anchorage-teen-in-1978-cold-case/

In March 2023, DNA evidence showed Holley had been in McDonald's car, the complaint said.

Source: https://abcnews.go.com/US/20-years-infatuated-boyfriend-arrested-2003-murder-20/story?id=98750920

Legere was one of the first people in Canada to be convicted using DNA evidence.

Source: https://www.cbc.ca/news/canada/new-brunswick/jail-tours-now-on-offer-at-downtown-science-centre-1.6888551?cmp=rss

New DNA evidence suggests it was already there.

Source: https://www.wired.com/story/the-secret-of-how-cells-make-dark-oxygen-without-light/

They used a stolen van and there was DNA evidence, Mr Sands said, but by the time the CPS decided there was enough to press charges the suspect had 'fled the country'.

Source: https://www.dailymail.co.uk/news/article-12865651/Thieves-left-free-plunder-shops-lock-stock-CAGE-Camera-shop-leafy-west-London-suburb-slams-police-losing-70-000-ram-raids-shoplifting-epidemic-grips-Britain.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

They were exonerated in 2002 after Matias Reyes confessed to the crime, with DNA evidence connecting him to the crime scene.

Source: https://gothamist.com/news/a-son-of-harlem-is-now-an-outsider-looking-in