CNN Around the World May 30, 2013 16:17:00
Sophisticated lab testing, not the preliminary test. >> they are, as you say, it's a very valid point, they are notoriously inaccurate in the preliminary stages and does require further testing. tom, it is concerning though that we see this stuff being -- it's something you can do at home, if you know what you're doing. but it's not necessarily massively dangerous unless it is refined down. is that right? >> well, that's correct. i mean, it can be very dangerous. it just depends on the expertise of the individual and what they were able to learn as far as making it at home. that's the problem ...