Like everyone else, I don't want dangerous criminals roaming the streets. So on the face of things the recent US Supreme Court ruling allowing states could take DNA samples from persons accused of serious crimes without need of a warrant, sounds like a good thing.
But, like everything in life, the devil's in the details.
If it's okay to get that swap from a suspect's mouth for DNA when the crime is 'serious' what about when it's less serious? Who will be the judge of what constitutes a 'serious' crime? That has not been determined.
What if the police get 'the wrong guy' .. not the guilty one. What happens to that DNA evidence and all the information contained within?
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