Not quite sure why, but never believed the biker story, thinking there likely was a female that was indeed murdered, but that person was not Amy.
Complete speculation, imo.
March 22 2019 rbbm.
Teen Goes Missing While Hitchhiking - Cat Leigh - Medium
"In 1995, Johnson used a cell phone to call the family and police were finally able to track him. Hal Johnson’s real name was Henry Johnson Blair, a 47-year-old husband and father of two. Blair was a decorated 24-year veteran of the United States Customs Service and was at the time a special agent overseeing drug interdiction at the Port of Miami and on the Miami River.
Blair claimed that his alcoholism and obsessive-compulsive disorder made him harass the grieving family. He also alleges to have never known Amy. He was sentenced to two years in prison for harassment.
According to authorities, he is still viewed as a person of interest in Amy’s disappearance.
Interestingly, in one of the photos from Amy’s camera, there is a white van in the background — in 1974, Blair owned a white van identical in color and model.
Furthermore, Amy wrote in her journal that she was pondering running away to South America with a man named Hank. Blair’s nickname was also Hank and during the same time period she wrote about it, Blair was going to Argentina due to his job."