How a New DNA Test Can Distinguish Between Identical Twins 

Ever since police started using DNA tests, one particular loophole has captivated our imagination: How do you distinguish between identical twins who share DNA? But it turns out even identical twins have tiny differences in their DNA, and prosecutors in Massachusetts want to use a new test for identical twins in court… » 12/04/14 7:30pm 12/04/14 7:30pm