>>The materials are very diffcult to purchase and there is a good chance of killing your self if you try to make it. It's very unstable . . . if you get that far. So, no - It's on the net and easy to find anyway. Just search for PETN which was in many tv and print stories about the incident.
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>Here in Vancouver there is an operation called "bait car", the Police leaves the most commonly stolen cars, and for the holidays they even put some gifts on sight to lure car thieves. The cars are equipped with cameras, mics gps and what not, and for the thieves are on record there is a high percentage of convictions once caught, usually within minutes this brought down the number of cars stolen dramatically. Why do I mention this? Well, imagine they post the instructions of how to make bombs, but flawed, so the would be bomb makers can "accidentally" detonate the bomb just before they finish building it :)
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>(Hopefully none of my neighbors would this)
You shouldn't have written that last line. Remember the disclaimer on most of those recipes is "don't do this at home" - which implies "do it at your neighbor's".