Preventing Terrorism: UK Sacrifices Freedoms for Safety's Sake?

England shows the tradoffs needed to improve security in public spaces.

ByABC News
May 5, 2010, 4:59 PM

May 5, 2010— -- Today, 2,000 known terrorists are operating in Britain, and authorities suspect that there are 2,000 more they don't know about. Those sobering statistics, as well as the nation's history of being a target of the IRA and radical Muslim groups, have led the government to hit back hard with strong security measures.

"Because the UK has experienced more terror, they've adopted more Draconian laws," said Richard Clarke, a terrorism expert and consultant for ABC News. "They've made some tough decisions."

The most visible of those decisions is a network of more than 4 million closed circuit television cameras blanketing the country -- a virtual eye covering train stations, airports, streets, and other landmarks.

Control rooms are located in every British city and major town, pulling in the video feeds to gather intelligence and track terror suspects.

In London, a person walking the streets is filmed or photographed an estimated 300 times a day, and new technology promises to analyze all those images to give the government an even more powerful tool.

The new technology is designed to monitor suspicious activity, such as someone leaving a suitcase unattended in public. It would identify the abandoned suitcase, and then follow the suspects as they walk away.

All of these security measures have often come at the cost of personal freedoms.

The 2005 London subway bombings led authorities to crack down on speech that promotes or seems to promote terrorism. The government has deported the radical preacher Abu Hamza, among others, for such speech.