SANTA CRUZ COUNTY DEPUTIES ARE WARNING THE PUBLIC OF PHONE SCAMMERS POSING AS LAW ENFORCEMENT WARRANT OFFICERS.     OFFICIALS SAY THE CALLERS AIM TO FORCE RESIDENTS TO PAY FINES FOR ALLEGEDLY SKIPPING JURY DUTY. THE SUSPECTS ASK THE VICTIMS TO PAY THE BAIL OR BOND BY PURCHASING CASH CARDS.    THE PUBLIC IS ENCOURAGED TO REPORT ANY PHONE CALLS OF THIS NATURE TO THE SANTA CRUZ COUNTY SHERIFF’S OFFICE.