Are you suggesting radiation treatment?
The operative principle is:
1. Find the Terrorists.
2. Kill the Terrorists.
Contact tracing has to be revived for Terrorism. It is a disease and everyone in the terrorists' community is infected. Every phone call, every relative in the huge tribal-extended-incestuous Muslim family structure, every purchase, every transaction; every cent they spend,every visit to a mosque, or political conference, their credit cards, etc. has to be very carefully scrutinized.
Western nutrition, education, and welfare subsidy cannot be allowed to lead to the Fall of the West, which is what these mentally diseased followers of Muhammed want. We must enforce laws on the books in regard to cousin marriage, polygamy, incitement, and of course, immigration.