If they were in Israel, their house(s) could end up a pile of rubble. Since we don’t bulldoze the houses of terrorist relatives & the bomber was a result of ‘extended family chain migration’, perhaps all those related to him who are also here due to (poorly screened) chain immigration should be deported.
https://www.jihadwatch.org/2017/12/new-york-subway-jihad-bomber-came-to-us-via-chain-migration
Screening and “vetting” are almost useless with respect to Muslim immigration.
Muslims who do not intend to wage Jihad can change their minds, days, months or years after arrival.
Their kids can (and do) grow up to be Jihadists. How do we screen a generation not yet born?
The only safe number of Muslim immigrants is zero.
France, Belgium and Britain are paying for their immigration choices in blood.
Poland, Hungary and the Czech Republic enjoy life as usual in safety - because they chose not to import Islamic terrorism.
Israeli policy USED TO BE harsh, based on the British Mandate tactics and it worked. Today, in the post-Oslo world, Israeli courts delay demolitions and provide due process to these animals...