Lena disappeared in 2006 when she was 20 years old, just seven years after her mother Sandy Klemp's husband, Gary McCullough, also disappeared. Before Lena vanished, Gary's brother, Albert, made a tape recording where he got Lena on tape claiming that Sandy had shot Gary and forced her clean up the crime scene, but Lena then lawyered up, recanted her confession, and then disappeared before she could testify in a civil lawsuit trial about McCullough's disappearance.

And while Lena vanished in 2006, she wasn't declared a missing person until March 2012. "We were not informed of her disappearance (at the time)," Detective Rick Letchworth told The Salem News . "Its strange that no one from her family reached out to alert us she was missing." Instead, Sandy told people that Lena had left go to Florida with a man, while Lena's sister Brandi Petersen even said that their mom spread rumors that Lena was a prostitute that had ran off to make money for drugs. As of today, Lena is still missing.

What makes Lena's case even sadder is the fact that she left behind a young son when she disappeared, and fans are to curious about what happened to him. Here's what we know about Lena's son, Colter.

Where is Lena Chapin's son Colter today?

Lena's mother Sandy has custody of Colter, and by now he's about 15 or 16. Allegedly, Sandy used to tell Colter that she was his mother, but Unsolved Mysteries co-creator Terry Meurer recently told The Wrap that, "From what we understand, he has been told that Sandy is not his mother, but beyond that, we dont know what the conversation has been."

Brandi also told The Salem News that she will never believe that her sister just up and left her son. "Theres no way Lena would have left Colter behind. Lena loved Colter more than anything. There is scrapbook after scrapbook which proves it, Brandi explained. "She also wouldnt have given mom the satisfaction of getting Colter. Mom and Lena were always fighting over him. Mom would go to Country Mart (in Salem) and show him off and say he was hers, and Lena would be like, stop saying that mom, hes mine."

And while there haven't been any new evidence in Lena's case, most viewers of the series believe that Sandy had something to with both Lena and Gary's disappearances, and Meurer himself said that Sandy could be tried again. "[There is] no statute of limitations on murder. She could still be tried. It was a civil case that found her and her then-husband guilty, I think is the term, for wrongful death. But she could still be tried in a criminal court for Gary McCulloughs death." He also added that Sandy "could still be brought up on charges if there was proof that she had anything to do with Lenas disappearance."