But others said placing cameras in stations and police officers in trains was unlikely to deter terrorists.

While hardening the transportation sector from terrorist attack is difficult, reasonable measures can be taken to deter terrorists.

But some of their actions may be be doing more to scare the public than to deter terrorists.

There are only three things we can do: (1) Improve our intelligence to deter and capture terrorists before they act.

International shame will not deter terrorists, but international pressure will.

We should be spending money on efforts to deter terrorists, not paying for lawyers to defend them.

Seeing them at work reassures passengers, too, according to transportation officials, and might also deter terrorists.

If commuters had few complaints about a practice that could deter terrorists from attacking the transit system, it cannot be all bad, police officials said.

Officials said they hoped that the cameras would deter potential terrorists as much as actually catch them.

Does having a no-concessions policy deter terrorists from taking American hostages?