http://www.bbc.co.uk/news/world-europe-21401200
Thought I would share it seems its quite an unusual story.
BBC News Wrote:The 24-year-old unemployed delivery drivers, named locally as Elwin and Yohan, were placed under investigation on Friday.
Officers say they are sure that one of the two men carried out the attacks, but that they do not know which.
Standard DNA tests are unable to differentiate between their DNA.
BBC News Wrote:Police have been told it would cost upwards of 1m euros (£850,000) to conduct an ultra-sophisticated genetic test that would be able to tell one set of the twins' DNA from the other.
One expert told the French newspaper La Provence: "For a normal analysis, we would compare 400 base pairs [of nucleotides] which make up DNA."
In the case of identical twins, he added, "We would be looking at billions.
Thought I would share it seems its quite an unusual story.