State Auditor Claire McCaskill says the state’s tracking of food stamp benefits is better than it has been in the past, but improvement in the system is needed. Since 1998, when the food stamp program went from paper coupons to the electronic benefit transfer cards, Missouri’s food stamp accuracy rate has increased to better than the national average. But McCaskill’s audit shows nearly three-quarters of those sampled who were receiving benefits continued to incorrectly receive benefits after death. In addition, 45 of 114 prisoners reviewed were still receiving benefits in violation of state and federal laws.