Exhibit 99.7
Bonus to Song Guo


[LISKA BIOMETRY LOGO]


APRIL 30, 2005

SONG GUO
150 Redpath Drive,
Nepean, Ontario
K2G 6K4


RE: EMPLOYEE EQUITY BONUS


Dear Song,

         Liska  Biometry,  Inc.  is  delighted  to notify you that for  services
previously  rendered,  in  recognition of excellent work and dedication to Liska
Biometry,  Inc.,  we are hereby  granting you a Consulting  Bonus in the form of
equity in the amount of 50,000  shares of common  stock.  Please be advised that
shares will be  registered  pursuant to Form S-8. We recognize  and  acknowledge
that your legal  services were not, in any way, in  connection  with the sale of
securities  in  a  capital-raising   transaction,  nor  were  they  directly  or
indirectly  in  connection  with  promoting or  maintaining a market for Liska's
securities. Thank you for your recognized contributions to our company.

Sincerely,

Liska Biometry, Inc.