HELLO I HAD MY INITIALS WRONG IN MY OTHER MESSAGE - LOOOKING FOR INFO ON A CASEMENT WHO WENT TO LIVERPOOL TO JOIN POLICE AND RETURNED TO ISLE OF MAN WAS HERE IN 1940S ALSO LOOKING FOR HIS SON WHO HAD A BOARDING HOUSE IN DERBY ROAD AND MOVED TO THE PROM DONT KNOW WHEN MAYBE 1930 TO 40S IS THERE ANY WHERE I CAN CAN LOOK UP POLICE NAMES FROM PAST IN ISLE OF MAN AND LIVERPOOL