Majadahonda , 55 , was reported missing after flying back to Madrid . Police searched Adriana Giogiosa flat she was staying in and arrested landlord . They found blood stains , a knife and an industrial meat grinder at house . Officers are searching for three other missing tenants and the man 's aunt .
Adriana Giogiosa , 55 , was reported missing after flying back to Madrid . Police searched Majadahonda flat she was staying in and arrested landlord . They found blood stains , a knife and an industrial meat grinder at house . Officers are searching for three other missing tenants and the man 's aunt .