Major & Claudette Melvin shot &killed their home

Hello, I am Kesha granddaughter of Major and Claudette Melvin my grandparents were shot and killed in their home that he lived in for over 50 years. Their car was stolen. They didn’t take anything from out of the home and I’m asking for help i’m asking the public to help me in this time of grievance it’s been very hard my grandparents has been with me all my life and then we were separated behind someone that came in here and did a selfish act and killed a 89-year-old major and a 85-year-old Claudette my grandparents, please help