"Europe is beefing up its rules to keep terrorists from making homemade bombs with domestic products. The rules, which should go into effect around the end of 2020, will now require businesses to report "suspicious" sales of some substances within 24 hours — and the change expands them to include online sales platforms like Amazon and eBay. Europe. 'You’re never going to be able to 100 percent prevent access,' said Hans-Jakob Schindler, senior director at the Counter Extremism Project, an NGO. 'It’s about increasing the hurdles for terrorists to get to the stuff.' Schindler said the reporting system is 'not foolproof, but it does work.' He cited a case in Germany where a saleswoman reported a couple’s attempt to buy large quantities of hydrogen peroxide. Investigators followed up and found weapons and huge quantities of bomb-making materials in their home. 'The way forward here is a mixture of public awareness that these things are not innocent materials, plus an appropriate regulation,' he said."