Instead, consider using certified cheques, or post-dated personal cheques (as long as there's enough time to put a stop payment on the cheque if you find out you've been scammed).
After trying unsuccessfully to stop payment on the check, she called police, had a lawyer write letters and hired a private investigator to try to retrieve her money.
If the server were to reconcile their transactions at the end of the night the entire transaction would be flagged and a stop payment would be put in place immediately.
Soon after the issuance of such an injunction, the contractor shall bring lawsuits against the employer and the bank before competent courts to stop payment under the guarantee.