SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)

           INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO
            RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)




                              SUREBEAM CORPORATION
--------------------------------------------------------------------------------
                                (Name of Issuer)


                     Common Stock, par value $.001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    86866R102
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                October 23, 2003
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

  [ ] Rule 13d-1(b)
  [x] Rule 13d-1(c)
  [ ] Rule 13d-1(d)



                                       1



CUSIP No. 86866R102                   13G


--------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Mariel Capital Management, L.L.C.
--------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a) [ ]
                                                                        (b) [ ]
--------------------------------------------------------------------------------
   3   SEC USE ONLY


--------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
   NUMBER OF                     5   SOLE VOTING POWER
     SHARES
  BENEFICIALLY                       7,316,558
    OWNED BY               -----------------------------------------------------
      EACH                       6   SHARED VOTING POWER
   REPORTING
  PERSON WITH                        0
                           ----------------------------------------------------
                                 7   SOLE DISPOSITIVE POWER

                                     7,316,558
                           ----------------------------------------------------
                                 8   SHARED DISPOSITIVE POWER

                                     0
--------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       7,316,558
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                            [ ]

--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       9.7%**
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*

       OO
--------------------------------------------------------------------------------
      *SEE INSTRUCTIONS BEFORE FILLING OUT
      **SEE ITEM 4(b).



                                       2



CUSIP No. 86866R102                   13G


--------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       Nader Tavakoli
--------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a) [ ]
                                                                        (b) [ ]
--------------------------------------------------------------------------------
   3   SEC USE ONLY


--------------------------------------------------------------------------------
   4   CITIZENSHIP OR PLACE OF ORGANIZATION

       U.S. Citizen
--------------------------------------------------------------------------------
   NUMBER OF                     5   SOLE VOTING POWER
     SHARES
  BENEFICIALLY                       7,316,558
    OWNED BY               -----------------------------------------------------
      EACH                       6   SHARED VOTING POWER
   REPORTING
  PERSON WITH                        0
                           ----------------------------------------------------
                                 7   SOLE DISPOSITIVE POWER

                                     7,316,558
                           ----------------------------------------------------
                                 8   SHARED DISPOSITIVE POWER

                                     0
--------------------------------------------------------------------------------
   9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       7,316,558
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                            [ ]

--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

       9.7%**

--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*

       IN
--------------------------------------------------------------------------------
     *SEE INSTRUCTIONS BEFORE FILLING OUT
     **SEE ITEM 4(b).



                                       3



                                  SCHEDULE 13G

         This Schedule 13G (the "Schedule 13G") is being filed on behalf of
Mariel Capital Management, L.L.C., a Delaware limited liability company
("Mariel"), and Mr. Nader Tavakoli the principal of Mariel, relating to shares
of common stock of SureBeam Corporation, a Delaware corporation (the "Issuer").

         This Schedule 13G relates to shares of Common Stock of the Issuer
purchased by Mariel for the account of EagleRock Master Fund, a Delaware general
partnership, of which Mariel is the agent and attorney-in-fact. EagleRock Master
Fund holds the shares of Common Stock of the Issuer for the account of EagleRock
Capital Partners, L.P. and EagleRock Capital Partners (QP), L.P., both Delaware
limited partnerships.

ITEM 1(a)      NAME OF ISSUER.

               SureBeam Corporation

ITEM 1(b)      ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES.

               9276 Scranton Road, Suite 600
               San Diego, CA  92121

ITEM 2(a)      NAME OF PERSON FILING.

               Mariel Capital Management, L.L.C. ("Mariel") and Nader Tavakoli.

ITEM 2(b)      ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR, IF NONE, RESIDENCE.

               551 Fifth Avenue, 34th Floor
               New York, New York  10176

ITEM 2(c)      CITIZENSHIP OR PLACE OF ORGANIZATION.

               Mariel is a limited liability company organized under the laws of
               the State of Delaware. Nader Tavakoli is the principal of Mariel
               and is a United States citizen.

ITEM 2(d)      TITLE OF CLASS OF SECURITIES.

               Common Stock, par value $.001 per share (the "Common Stock").

ITEM 2(e)      CUSIP NUMBER.

               86866R102

ITEM 3         REPORTING PERSON.

               Inapplicable.



                                       4



ITEM 4         OWNERSHIP.

               (a)   Mariel and Mr. Tavakoli are the beneficial owners of
                     7,316,558 shares of Common Stock.

               (b)   Mariel and Mr. Tavakoli are the beneficial owners of 9.7%
                     of the outstanding shares of Common Stock. This percentage
                     is determined by dividing 7,316,558 by 75,388,332 the
                     number of shares of Common Stock issued and outstanding as
                     of May 9, 2003, as reported in the Issuer's quarterly
                     report on Form 10-Q filed May 15, 2003.

               (c)   Mariel, as the agent and attorney-in-fact of EagleRock
                     Master Fund, has the sole power to vote and dispose of the
                     7,316,558 shares of Common Stock held by EagleRock Master
                     Fund. As the principal of Mariel, Mr. Tavakoli may direct
                     the vote and disposition of the 7,316,558 shares of Common
                     Stock held by EagleRock Master Fund.

ITEM 5         OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

               Inapplicable.

ITEM 6         OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

               Inapplicable.

ITEM 7         IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
               ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
               COMPANY.

               Inapplicable.

ITEM 8         IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

               Inapplicable.

ITEM 9         NOTICE OF DISSOLUTION OF GROUP.

               Inapplicable.

ITEM 10        CERTIFICATION.

               By signing below I certify that, to the best of my knowledge and
               belief, the securities referred to above were not acquired and
               are not held for the purpose of or with the effect of changing or
               influencing the control of the issuer of the securities and were
               not acquired and are not held in connection with or as a
               participant in any transaction having that purpose or effect.


                                       5



EXHIBITS       EXHIBIT 1

               Joint Filing Agreement dated December 5, 2003, between Mariel and
               Nader Tavakoli.



                                       6




                                    SIGNATURE

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

         Date:  December 5, 2003


                                       Mariel Capital Management, L.L.C.


                                       By: /s/ Nader Tavakoli
                                           ------------------------------------
                                           Nader Tavakoli, Managing Member

                                       /s/ Nader Tavakoli
                                       ----------------------------------------
                                       Nader Tavakoli


                                       7