and it happened again. >> in brian's case, he fired marianne immediately and then he called the cops. >> it turned out she had written about $180,000 worth of checks to herself, to friends, to family and other places. >> are you afraid that any of your employees will steal this? >> nobody wants flu pipe. >> they admit to stealing from employers. >> ruth has written a warning to business owners called the ugly truth about cash. we fix what is problem and then they have cash again. >> she said there is no foolproof way to prevent theft but if you set up simple checks and balances, you could make your company a much more difficult target. first rule, only you should sign the checks. >> giving your bookkeeper check signing authority is insane. >> so you have an accounts payable person and their name is