If she has limited resources part of her job would be prioritising cases. That means going after the big fish. She should have found out quite quickly that no public funds were stolen, no tenders were issued to connected business, no-one was given a cushy job and she should have moved on. Put it on the bottom and get back to it when the serious work is done. If this is the most serious case she has to investigate then everyone can rejoice, because the worst corruption in the country is a politician potentially using her influence to assist a family member in getting access to available resources to improve the education of some poor children. Not only that, but he apparently actually delivered the services promised, didn't run off with the tablets and actually returned them in working order.