It takes 100 to 200 mg of Cyanide to kill a person , and 2 mg of the fetanyl to kill you it is far more deadly than cyanide. And it is available in mexico very cheaply as are the fireworks. When this happens you will remember you heard it here
I've threatened no one. I have given you a simple and cheap example of how deadly this can get.. For that matter he could drive down the street just sprinkling this drug in the air. I am only surprised it has not happened already .