When companies like Ancestry.com and 23andMe first invited people to send in their DNA for genealogy tracing and medical diagnostic tests, privacy advocates warned about the creation of giant genetic databases that might one day be used against participants by law enforcement.

Source: Cops are asking Ancestry.com and 23andMe for their customers’ DNA

So, people are surprised that they are mistakenly used as suspects? And how surprised will they be when they find out that insurance companies have been dipping into these databases to find genetic defects?