Alas, history is a great tool, in retrospect you think the French would let Hitler bring troops into the Rhineland if they knew what was in store?
I don't profess to know what's going on, maybe I give the CIA, FBI etc. too much credit.
Is it possible these students are screened?
Is it possible the calls they receive are monitored leading to arrests of students conspiring to commit terrorist acts?
Common sense are how I would categorize measures like these, luring in your prey is an age old custom. Is this administration using these methods?
One can only hope.
I share that hope.