Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  MEZZANINE MANAGEMENT LTD
2. Date of Event Requiring Statement (Month/Day/Year)
04/22/2008
3. Issuer Name and Ticker or Trading Symbol
ARGYLE SECURITY, INC. [ARGL.OB]
(Last)
(First)
(Middle)
333 LUDLOW STREET, 2ND FLOOR, NORTH TOWER
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

STAMFORD, CT 06902
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Series A Convertible Preferred Stock   (1)   (1) Common Stock 1,875,000 (2) $ 8 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MEZZANINE MANAGEMENT LTD
333 LUDLOW STREET
2ND FLOOR, NORTH TOWER
STAMFORD, CT 06902
    X    
MEZZANINE MANAGEMENT FUND IV COINVEST A L.P.
333 LUDLOW STREET
2ND FLOOR, NORTH TOWER
STAMFORD, CT 06902
    X    
MEZZANINE MANAGEMENT FUND IV A
333 LUDLOW STREET
2ND FLOOR, NORTH TOWER
STAMFORD, CT 06902
    X    

Signatures

/s/ S. Arthur Morris, Authorized Signatory for Mezzanine Management Limited 05/07/2008
**Signature of Reporting Person Date

/s/ S. Arthur Morris, Authorized Signatory for Mezzanine Management Fund IV Coinvest A L.P. 05/07/2008
**Signature of Reporting Person Date

/s/ S. Arthur Morris, Authorized Signatory for Mezzanine Management Fund IV A L.P. 05/07/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The convertible preferred stock is convertible at any time, at the holder's election and has no expiration date.
(2) These securities are beneficially owned by a "group" for purposes of Section 13D of the Exchange Act. The group is composed of the following entities and individuals: Mezzanine Management Fund IV A, L.P. ("Fund IV"), Mezzanine Management Fund IV Coinvest A, L.P. ("Coinvest"), Mezzanine Management Limited ("Mezzanine"), Rory Brooks ("Brooks") and James Read ("Read). Fund IV shares voting and dispositive power over 1,846,600 of these shares. Coinvest A shares voting and dispositive power over 28,400 of these shares. Mezzanine, Brooks and Read share voting and dispositive power over all 1,875,000 shares.

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