Two months after Tennessee teen Sebastian Rogers vanished without a trace from his home in Tennessee, the private investigator hired by the missing 15-year-old's biological father believes his disappearance is the result of a "domino effect of events." MORE: trib.al/9vrvhCk #Missing #Tennessee #Sebastian #Rogers Anchor Elizabeth Vargas delivers the biggest stories, without bias or opinion. Watch "Elizabeth Vargas Reports" every weeknight at 6p/5C on NewsNation. #VargasReports NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij