The victims were found at 4:10 a.m. April 7, 2019, at Oakland Glens Mobile Home Community. Joe died, while her baby survived.
The homeowner believes an intruder entered the home. The shooter has never been found.
A reward up to $2,500 is offered for information that leads to a suspect.
Anyone with information is asked to call to 1-800-SPEAK-UP or visit 1800SPEAKUP.org.