Robbery motive considered in double slayingELKHART. Ind. (APi-Po-lice compiled an inventory to-«J day in the home of a candy store owner and his wife to determine whether robbery might be a possible motive for their slayings.The bodies of Paul Bonfiglio, 78. and Julia Bonfiglio, 71, were discovered by their son Tuesday in their home after they failed to open the shop they had operated 40 yearsDetectives said the victims had multiple stab wounds and there was evidence of a struggle. They said while robbery was suspected no motive for the attacks had ben established.