That is, the company released its Tylenol product with tamper-proof packing (again, it was something that cost millions).

FORBES: Airbnb's Tylenol Moment

The oodles of online prices on which its index is based are tamper-proof.

ECONOMIST: Why we are removing a figure from our indicators page

The UpTeq NFC acts as a tamper-proof secure element for consumers' confidential credentials and payment data and is a crucial part of enabling NFC transactions.

ENGADGET: Gemalto adds AMEX, Mastercard and Visa certs to its UpTeq NFC SIM

Electronic gadgetry is tricky to use around high explosives of the sort used for bomb triggers, and it is hard to make any monitoring device reliably tamper-proof.

ECONOMIST: The new nuclear pioneers

The Senate bill calls for tamper-proof Social Security cards and pushes to collect more biometric information from immigrants, but it stops short of requiring a full-fledged biometric I.

WSJ: Boston Attacks Complicate Immigration Debate

The head of the Non-proliferation Policy Education Centre in Washington, a vocal critic of the Agreed Framework, has warned that even when the new reactors are completed they may not be tamper-proof.

BBC: Analysis: N Korea's nuclear deal

"This is not tamper-proof, " he says.

WSJ: To Meet the Biggest Wrap Stars, Stroll Through the Miami Airport

His own immigration-policy plans, framed as a national-security issue, were not different in any meaningful way from the compromise bill that consumed Congress this spring, except that he wanted every illegal resident to come forward for a tamper-proof identity card before getting in line for citizenship.

NEWYORKER: Mayberry Man

If I were president of the United States, I could do something about that by deploying a fence, by deploying a virtual fence, by having a BorderStat system like my COMSTAT system that brought down crime in New York, and just stopping people from coming in, and then having a tamper-proof ID card.

CNN: Giuliani's responses at the CNN/YouTube debate

Personally, I'm convinced that the answer to America's immigration woes is a middle-of-the-road approach that combines enforcement measures (continued workplace raids, speedier deportations, more spending on tools and technology for border patrol agents, etc.) with guest workers, an increase in legal immigration, a tamper-proof ID card for all U.S. employees, tougher sanctions for employers and a path to earned legalization for illegal immigrants who came into the country before January 1, 2000.

CNN: Commentary: Time for immigration reform is now