Authorities say they're investigating Tuesday's shooting deaths as a murder-suicide.
The Ramsey County sheriff said Johnny Simpson, 65, is the suspect in the death of Nancy Sullivan, 57, of Shoreview, Minn. The sheriff's office identified the two people shot and wounded as Tony Brown, 28, and Kathleen Fay, 29, both of St. Paul.
The relationship of Fay and Brown to the two people who died was not disclosed. All four were found shot inside a home.