POLICE ACTIVITY SECURED DOWNTOWN MONTEREY AROUND 1 P-MYESTERDAY, AFTER A MAN TRIED ROBBING A BANK. THE SUSPECT WAS ARRESTED AFTER THE BOTCHED ROBBERY, AND THEN APPARENTLY THE HE TOLD POLICE ABOUT 2 BOMBS HE HAD PLACED DOWNTOWN. STREETS WERE CLOSED WHILE THE BOMB SQUAD LOCATED AND DETONATED THE SUSPICIOUS PACKAGES. THE F-B-I WAS ALSO INVOLVED IN THE INVESTIGATION THAT KEPT THE AREA CORDONED OFF UNTIL ABOUT 4 P-M. IT WAS THE SECOND TIME IN AS MANY DAYS THE BOMB SQUAD WAS CALLED TO THE DOWNTOWN AREA.