Bur^larv Thought Motive In SlavingINDIANAPOLIS (UPI) — Burglary was listed as the prime motive late Thursday by police investigating the deith of an Indianapolis doctor and his wife.Homicide detective Jack K. Ohrberg said he discounted intruders looking for drugs since several leads, which he did not elaborate, pointed more to theburglary motive Dead were Dr. Earle U. Robinson Sr., 71, and his wife, Gwendolyn, 69 Investigators said they were beaten andslabbedThe bodies were found by Jerry L. Smith, the building superintendent at the Riley Towers Apartments in downtown Indianapolis where the Robinsons lived in two story ground floor unit.