It is possible. You have not mentioned what kind(s) of income they received. If they have mostly Social Security and only a smaller amount of other income with some tax withheld, they might be getting back all the tax that was withheld. Without details we cannot tell you more.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
