EXHIBIT 99.1

                     [Windsor Group Securities Letterhead]

                                           January 9, 2002

Private and Confidential

The Board of Directors
Viisage Technology
30 Porter Road
Littleton, MA 01460

Ladies and Gentlemen:

      We have acted as financial advisor to Viisage Technology ("VISG") in
connection with its proposed acquisition of Lau Acquisition Corp. ("LAU"),
pursuant to an Asset Purchase Agreement as amended, of which a draft is dated as
of January 9 (the "Asset Purchase Agreement"), which provides, among other
things, for the acquisition of Lau Security Systems assets ("LSS") by VISG (the
"Acquisition"). As set forth more fully in the Asset Purchase Agreement, as a
result of the Acquisition, LAU will receive an earnout payment equal to the
lesser of 3.1% of Viisage's cash facial recognition product revenues each year
for 12.5 years or $27.5 million (hereinafter referred to as the
"Consideration").

      You have asked for our opinion, as investment bankers, as to the fairness
from a financial point of view, to VISG and the holders of its Common Stock of
the Consideration proposed to be paid by VISG to the stockholders of LSS in
connection with the Acquisition pursuant to the Asset Purchase Agreement. In
connection with our role as financial advisor to Viisage and for the purposes of
the opinion set forth herein, we have:

(i)   reviewed certain business, financial and other information regarding LSS
      which was furnished to us by VISG through its management or was publicly
      available;
(ii)  reviewed certain business, financial and other information regarding VISG
      which was furnished to us by its management or was publicly available;
(iii) conducted discussions with the senior management of LSS with respect to
      (a) the historical and current business operations and financial results
      and condition and the future prospects of LSS and (b) certain internal
      financial analyses and forecasts for LSS prepared by its management;
(iv)  conducted discussions with the senior management of VISG with respect to
      (a) the historical and current business operations and financial results
      and condition and the future prospects of LSS and VISG, (b) certain
      internal financial analyses and forecasts for VISG, including forecasts
      regarding the pro forma financial results and condition of VISG as a
      result of the proposed Merger, prepared by its management, (c) the
      strategic implications of the proposed Merger and (d) other benefits of
      the proposed Acquisition;



(v)    reviewed the current and historical trading prices for the equity
       securities of companies engaged in business that we believe to be
       comparable, in whole or in part, to LSS and VISG;
(vi)   reviewed public information with respect to certain companies whose
       businesses we believed to be generally comparable, in whole or in part,
       to LSS and VISG;
(vii)  considered VISG's financial and strategic objectives and the projected
       benefits from the proposed Acquisition;
(viii) reviewed the Asset Purchase Agreement and the other agreements, referred
       to therein entered into in connection with the proposed Acquisition;
(ix)   conducted such other financial studies, analyses, inquiries and
       investigations as we deemed appropriate and feasible.

       In conducting our analysis and in arriving at our opinion as expressed
herein, we have not conducted a physical inspection of the properties or assets
of LSS or VISG nor have we made or obtained any independent evaluation or
appraisals of any properties, assets or liabilities of LSS or VISG. We have
assumed and relied upon the accuracy and completeness of the financial and other
information provided us or publicly available, and we have relied upon the
representations and warranties of LSS and VISG made pursuant to the Asset
Purchase Agreement, and have not attempted independently to verify any such
information. With respect to the financial analyses and forecasts furnished to
us, we have assumed without independent verification that they reflect the best
currently available estimates and judgments of the management of LSS and of VISG
as to the business operations, financial results and condition and future
prospects of LSS and VISG. Our opinion is necessarily based on economic, market
and other conditions as in effect on, and the information made available to us
as of, the date hereof.

       We have acted as financial advisor to VISG in connection with the
proposed Acquisition and will be paid a fee for our services as financial
advisor, which is in no part contingent upon the consummation of the
Acquisition.

       Based upon and subject to the foregoing, it is our opinion as investment
bankers that, as of the date hereof, the Consideration proposed to be paid by
VISG to the stockholders of LAU in connection with the Acquisition pursuant to
the Asset Purchase Agreement is fair, from a financial point of view, to VISG
and the holders of its Common Stock.

                                        Sincerely,

                                        /s/ Robert W. Wright

                                        Robert Wright
                                        President