Sincere condolences and sympathies to Family and Friends of Theresa Stanislaus. God can embrace you through prayer, bible reading and His spirit. He is our best friend for times like this. Even His son, Jesus told his disciples about a future resurrection. John 5 : 28-9. So Theresa Stanislaus can be alive again. How that will occur is explained here at jw.org.
As to where she is now, this interesting video reveals :