15 years ago, my wife, Lisa, kissed our baby boy, Noah, on the forehead, grabbed her purse, and said, “I’ll be back soon. Just heading out for diapers.”

But she didn’t come back. For years, I lived in a haze of heartbreak, anger, and unanswered questions. The police launched an investigation, but there were no leads—her phone went silent, her bank accounts were untouched, and it was like she had vanished into thin air. Eventually, they told me she was probably gone forever….