“Both TATP and HMTD have been used in a large number of suicide bombings and other attacks worldwide,” said Brown. “Unfortunately, law enforcement is encountering these substances more and more. Just two years ago we saw three instances of law enforcement coming into contact with these highly explosive chemicals in Illinois. Last year, that number jumped to thirteen. With no commercial or residential use for TATP or HMTD, there is no doubt that those possessing these chemicals intend to use them for malicious activities.” Read more about this legislation.