THIRD AMENDMENT TO DEVELOPMENT AND MANUFACTURING AGREEMENT

Exhibit 10.13

THIRD AMENDMENT TO DEVELOPMENT AND MANUFACTURING AGREEMENT

THIS THIRD AMENDMENT TO DEVELOPMENT AND MANUFACTURING AGREEMENT is made this 26th day of March, 2008, by and among ICOP DIGITAL, INC., a Colorado Corporation, (“ICOP DIGITAL”) and the TIETECH CO., LTD., a Japanese Corporation, (“TIETECH”).

RECITALS

WHEREAS, ICOP DIGITAL and TIETECH entered into that certain Development and Manufacturing Agreement dated on or about February 10, 2005 and amended on December 27, 2005 and April 3, 2006 (“Agreement”); and

WHEREAS, ICOP DIGITAL and TIETECH desire to amend the terms of ARTICLE 2, SECTION 2.2 PURCHASE ORDERS as provided for herein.

NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto amend the Agreement by deleting Article 2, Section 2.2 and replacing it with the document identified as Amendment Three which is attached hereto and incorporated herein by reference.

IN WITNESS