As usual, Mr. Crichton has the last dozen pages of his story referencing laws and cases currently on the books to support his assertions.
If the police can forcibly take my blood - what's next? My heart? Liver? Brain? Bones? Under what pretext? In this case - my blood is being forcibly taken, to testify against me in a court of law.
This is wrong, on so many levels it's scary.
Texas was already caught red handed doing studies of illegally collected blood samples from babies in hospital.
...And the number of supporters for this that you'll find on this site is even more frightening IMO.