Pischelsdorf – In the case of the suspected murder and suicide of a pair of siblings from East Styria, the investigators from the State Criminal Police Office focused their search for a motive on Friday on interviews with relatives and those around them. An 81-year-old killed his sister as she lay in bed on a property in the municipality of Pischelsdorf (Weiz district) and then committed suicide. According to the autopsy results, the woman died of skull injuries caused by an ax.