to counter these things with the help of criminal justice. . >> reporter: he says elicit trade, especially in guns has put belgium on the terror map. >> although belgium has very tough gun laws, still there is a big black market that come from everywhere in europe and from the balcon countries and it's very easy for criminal gangs or terrorist groupings to find weapons, even war weapons here in our city. >> reporter: high says the gun of choice in recent attacks can be purchased on the belgium black market for as little as a $1,000. >> and you're getting a good deal here. >> indeed. >> reporter: and there's another problem that may be much bigger. >> what we see the last three, four, five years is that there's