Rockworth Financial Lending Source ripoff I've been scam Hackensack New Jersey

I've been scam by these people.

This is the actually email they sent me.
I sent them a moneygram of 760.00 twice, both time different names.
What legal actions can I take?

Facsimile Transmittal
To: xxxxxxxxxxxx
From: Frank Balditzi
Re: Guarantee Letter
CC: 84 Main St. Ste 411

Notes: Included with this cover page is letter of guarantee as requested.

Sincerely,

Frank Balditzi
Accounts Manager
Rockworth Financial Lending Source

CONFIDENTIAL

Dear Ms. xxxxxxxxxxxxxx

This letter of guarantee is to verify that upon your securing of the remainder of the balance on your account, in the amount of $759.70 (5 months outstanding balance, 5 months has already been paid in the amount of $759.70), Ms. Joane Virgile is guarantee to receive her loan in the amount of $5000.00 USD, within a maximum timeframe of 3 hours from the confirmation of payment.

Once this payment has been covered, no further requirement of payments will be needed. Also, for any inconveniences caused to you, we have chosen to grant you an additional 2 (two) months grace period on your first payment; therefore, making your first payment due July 1st, 2008.

Should you have any questions or concerns, please do not hesitate to contact me at the above toll-free customer service phone number at extension 519.

Sincerely,

Frank Balditzi
Accounts Manager
Rockworth Financial Lending Source

This letter of guarantee has been revised and approved by:

Brent Hartway

President/CEO
Rockworth Financial Lending Source

Jonae
Winter Park, Florida
U.S.A.