It is dangerous to be related to a terrorist, let alone a senior terror operative. Such an association can lead to one's imminent death while participating in an attack encouraged by a family member.
The March multiple terror attacks in Brussels that resulted in more than 30 people killed and more than 250 injured raises again the specter of terrorism globally. While since 9/11 fewer than 50 people have been in killed in the United States due to jihadist-inspired terrorism, that paltry number fails to illustrate that the jihadi threat here is significant as hundreds – if not thousands – of persons would have succumbed to otherwise stymied plots.