Is it a retiree scam? Two Missouri officials are joining forces for an investigation to answer that question. State Treasurer Clint Zweifel is raising concerns about deals in which retirees are signing over future pension checks in order to get quick cash. Zweifel says the deals typically involve an upfront payment to a retiree, under a contract in which the business then gets part of that person's future pension payments. Attorney General Chris Koster says he plans to join the investigation into such practices.