Northern Ireland prison test: MMW scanners miss 43% of test items

Discussion in 'Aviation Passenger Security in the USA' started by Mike, Feb 13, 2013.

  1. Mike

    Mike Founding Member Coach

    So now we know that these scanners fail in two major ways:
    • In the Hamburg airport evaluations, there was a 54% rate of false positives. When they do alarm on something, more than half the time it's a false alarm.
    • Now in the Northern Ireland prison evaluations, we see that 43% of prohibited items were missed.
    BBC: Scanners ruled out for NI prison searches after pilot

    Electronic scanners like those used in airports will not replace full body searching in prisons in Northern Ireland. They failed to detect nearly half of all test items during a three month pilot scheme. Items not detected included drugs, mobile phone batteries, scissors and a knife. Nearly 1200 prisoners and prison staff were searched using two millimetre wave scanners.


    A prison service evaluation report says the scanners detected just 57% of test items. The items not detected include a knife and scissors. Prisoners searched using the scanners had to volunteer to be part of the process, so all of the illegal materials detected during the test were carried by prison officers who agreed to be part of the trial.
  2. Fisher1949

    Fisher1949 Original Member Coach

    The down side being they are touting x-ray scanners as a better method. Seems RapiScan's lying hasn't stopped, just moved on to Ireland.
  3. TSA News Blog

    TSA News Blog News Feed

    The millimeter wave scanners are no better at detecting contraband than their radiation-emitting counterparts, the backscatter scanners. But then, we’ve only been telling you that for years.​
    The items missed included scissors, knives, and cell phone batteries. The searches were conducted on about 1,200 prisoners and staff in Northern Ireland.
    Jon Corbett already proved how easy it is to thwart the backscatter scanners. TSA agents have concurred. And the TSA is junking the backscatters, after having spent hundreds of millions of dollars of our money on them. But those scanners are getting replaced by MMW (millimeter wave) scanners that also don’t work, and that, as we’ve reported numerous times, have a high rate of false alarms. That means that even if you go through the scanner, you can still get hauled aside to the glassed-in gulag for a grope, as thousands of people can attest.
    Let’s say it again: the scanners are a billion-dollar boondoggle for the so-called security industry. They exist to line the pockets of their manufacturers, who then go on to line the pockets of our representatives in Congress.
    When you step into a scanner and raise your arms in a position of surrender, you’re not only signaling to the powers-that-be that you’ll do anything they ask, you’re also giving your approval to a technology that is demonstrably worthless and that props up an abusive system. Congratulations.
    (Photo: Courtesy of the BBC)
  4. Fisher1949

    Fisher1949 Original Member Coach

    Isn't this the same rate that Germany saw? Looks like corroborating evidence.
  5. Mike

    Mike Founding Member Coach

    The 54% rate of false positives was from Hamburg.

    The Northern Ireland metric is 43% of test items missed.

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