News 11's Jonathan Walsh has been researching the twists and turns of 35-year-old Tammy ... Jimmy through Bonnie's sister, Deb Graff, and that Deb used to babysit Craig and Craig's sister, Rebecca.

Investigators say her son Jimmy Fleischmann ... and Rebecca's ex-boyfriend Robbie Pantosia. Craig Morgan was not on the ship. Grogan and investigators say the night her daughter Tammy went missing ...