Peter Aldhous and Michael Reilly report:
Test Infidelity is just one of dozens of US companies offering to test DNA taken without the knowledge of the people concerned. Many firms advertise infidelity testing services or offer “discreet” paternity tests. These allow a man to determine whether he is the father of a child without letting anyone else know what he is up to, or a woman to tell whether a man is the father of her child without involving him in the process.
While the total number of stealthy DNA tests being conducted is unclear, interviews with genetic testing companies indicate that thousands are being run each year in the US alone.
In the UK, such tests are already illegal. But though some US states have passed laws that arguably might outlaw aspects of infidelity or discreet paternity testing, extensive enquiries by New Scientist have uncovered no evidence that they have been used against firms running these tests.
Read the full story in New Scientist