Or you could spend that money on removing the extremists from your country and prevent such attacks from ever occurring.
Are you trying to inject good solid critical thinking into the dialogue?
Keeping all the crowd of potential Jihadists in the country is just, well, non-negotiable for the soft of heart/head in these European countries.
“We’ll win them over, they are an asset to our nation, you’ll see, you’ll see!”
These recent immigrants shall NEVER assimilate.