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Old Nov 25, 16, 4:51 pm
  #160  
IAHFlyBoi
 
Join Date: Jun 2004
Location: IAH
Programs: UA GS/MM, MR PPE/LTG, ‎TSA Pre✓, NEXUS, APEC BTC, UKBF RT, CLEAR, DXB E-GATE
Posts: 251
Originally Posted by canadiancow View Post
Today, I went through Pre✓ at SFO international. I was randomly selected ("zone 5" is the term I keep hearing). I had to wait for someone, then he swabbed my hands, then I left.

An hour later, I had to go back to check-in.

Coming back in, random selection, zone 5. This time, they swabbed one of my two bags and I was on my way.

However, while today was the first time that was enough to prompt me to write this post, I am probably around 60% for this with Pre✓.

Does anyone have any idea how this works?

I tend to leave everything on my body (including some medical equipment) that might increase the amount of metal passing through the WTMD, but it is NOT the same thing that happens when you walk through with a phone.

I still find it's easier (in the sense that shoes and hoody stay on, laptop stays in bag, etc.) than the regular priority line, but if I'm just doing something stupid to trigger this, I'd like to know

Thanks
The metal detector has to beep and it is a high pitched beep much different from the one that is used when metal is detected by the detector. I had this happen this month, had to take wallet out, belt off, coat off, go through the <redacted> (AIT) and I was off. It was annoying but hasn't happened since.

Last edited by TWA884; Nov 25, 16 at 8:43 pm Reason: Policy debate/commentary; not trusted travelers advice/information.
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