Re Los Angeles Is First in US to Install Subway Body Scanners

["Dave Farber" <farber () gmail com>]

Begin forwarded message:

> From: Mary Shaw <mary.shaw () gmail com>
> Date: August 15, 2018 at 11:21:36 PM GMT+9
> To: Dave Farber <dave () farber net>
> Cc: ip <ip () listbox com>
> Subject: Re: [IP] Los Angeles Is First in US to Install Subway Body Scanners
>
> Oh, great!  Suppose I'm a carpenter, work jobs around town, can't afford a car, use the subway to get to work.  So I 
> carry my power drill, nail gun, and other tools with me (no checked bags on subways!).
>
> Or, more personally, I used to carry a medical unit involving battery power, electric leads, electrodes, ...  One day 
> at the airport TSA did an extra-careful inspection because they mistook it for a tazer.
>
> I have friends who have taken cookware to their young relatives by airplane.  They take it carryon because of baggage 
> weight limits.  They report that TSA is actually familiar with this behavior.  Oh, probably including pressure 
> cookers.
>
> So, are these machines good enough to select the actual dangerous items from the detectable ones, or will there be a 
> paralyzing rate of false positives?
>
> > On Wed, Aug 15, 2018 at 12:08 AM, Dave Farber <farber () gmail com> wrote:
> >
> >
> > > Begin forwarded message:
> > >
> > > From: Lauren Weinstein <lauren () vortex com>
> > > Subject: [ NNSquad ] [I predict a fiasco.] Los Angeles Is First in US to Install Subway Body Scanners
> > > Date: August 15, 2018 at 10:30:38 AM GMT+9
> > > To: nnsquad () nnsquad org
> > >
> > >
> > > [I predict a fiasco.] Los Angeles Is First in US to Install Subway
> > > Body Scanners
> > >
> > > https://www.nbcbayarea.com/news/national-international/Los-Angeles-is-First-in-US-to-Install-Subway-Body-Scanners-490860461.html
> > >
> > >     Los Angeles' subway will become the first mass transit system
> > >     in the U.S. to install body scanners that screen passengers
> > >     for weapons and explosives, officials said Tuesday.  The
> > >     deployment of the portable scanners, which project waves to do
> > >     full-body screenings of passengers walking through a station
> > >     without slowing them down, will happen in the coming months,
> > >     said Alex Wiggins, who runs the Los Angeles County
> > >     Metropolitan Transportation Authority's law enforcement
> > >     division.  The machines scan for metallic and non-metallic
> > >     objects on a person's body, can detect suspicious items from
> > >     30 feet (9 meters) away and have the capability of scanning
> > >     more than 2,000 passengers per hour.
> > >
> > > - - -
>
> This message was sent to the list address and trashed, but can be found online.



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