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A murderer who escaped for more than four decades was discovered thanks to Forensic DNA.

One of the women murdered in 1983 in Toronto was Susane Tice, a social worker and mother of four teenage children, who was found dead in the second-floor bedroom of her home with multiple stab wounds to the chest. On the morning of November 29, 2022, Toronto, Canada police announced that they had arrested and […]

DNA Interpol

Who discovered DNA? – First advances of the 50s

Watson, Crick and Rosalind Franklin In the early 1950s, American biologist James Watson and British physicist Francis Crick proposed their famous DNA double helix model. They were the first to cross the finish line in this scientific “race,” with others such as Linus Pauling (who discovered protein secondary structure) also trying to find the correct […]

Murder suspect with world’s smallest DNA sample

Using a mere 15 cells of DNA evidence, Las Vegas police have identified a suspect in the 1989 slaying of a 14-year-old girl, officials announced Wednesday. Kim Murga, head of the Metropolitan Police Department’s forensics lab, said the sample used to identify Darren Roy Marchand as the man suspected of sexually assaulting and strangling Las […]

DNA, background of the genetic fingerprinting center

The place is small, the task is immense. For three decades, in a tiny office located on the seventh floor of the Faculty of Pharmacy and Biochemistry of the University of Buenos Aires (FFyB-UBA), a team of scientists has been working on resolving the most resonant judicial cases in Argentina. They do so under the […]

DNA proves innocence of man jailed for 38 years

A US man who spent nearly four decades in prison for murder has been released after new DNA evidence pointed to a different person. In a case of international impact, an American citizen was declared innocent in October 2022 after having spent almost four decades in prison for the crime of homicide. DNA evidence found […]

Who discovered DNA fingerprinting? – The advances of the 80s

Alec John Jeffreys, fellow of the Royal Society (Oxford, United Kingdom, January 9, 1950) is a British geneticist who developed the techniques of genetic fingerprinting and DNA profiling that are currently used by forensic science to assist the police in their investigative work. The same technique has proven very useful in resolving paternity disputes. He […]