Search Continuesfor Girl's SlayerMILWAUKEE (AP) - Littleprogress has been made in the investigation of the slayingand dismemberment of Miss Stephanie Marie Casberg. 17. of i Milwaukee. But authorities de-|'clare thev have no intention of :giving up.“You never give up,” said a police official. There will be a ; team assigned to this case indefinitely.” jPortions of Miss Casberg's body were found July 9 beside the Root River in Racine Coun-ty. Other parts of the body still are missing.Police said nine Milwaukee I detectives currently are follow-ving leads in the case, and some ■ 25 persons have been questioned ; and cleared. !A table in an inner office of*the detective bureau is stacked high with manila folders, con- i raining information about the|case. Said an official: “That’s t ihow big the Casberg case is.” ;