Tag: DNA

dna

Small samples of DNA are often used to clear up cold cases. Police recently revealed a discarded cigarette butt helped them charge a Texas man over the murder of a 50-year-old woman on Mother’s Day 2016. Byron Lloyd Collins, 29, was recently picked up by authorities at the same complex in Baytown where Natalia Shal…

bite mark evidence

Bite mark evidence as a forensic science technique used at crime scenes has been under fire for some time. Now a new paper has urged law enforcement agencies to discontinue its use. The paper in Journal of Law and the Biosciences outlines the legal basis for the rise of the bite-mark identification technique and its…

dna evidence

Thousands of case files are set to be reopened in Texas after a change in scientific standards for DNA evaluation raised questions about the convictions of numerous defendants. DNA evidence has been seen as a highly reliable indicator of guilt or innocence in criminal cases for decades. But a major re-evaluation in the probabilities involved…