Lisa Irwin, a 10-month-old girl, went missing from her Kansas City home on October 3, 2011. Described as a cheerful baby with blonde hair and blue eyes, she vanished under suspicious circumstances that led to multiple conflicting narratives from her parents. Investigators faced challenges, including uncooperative behaviors from the family and false leads, such as sightings of a man with a baby. Theories persist that she may have been abducted or harmed by someone close. As of now, Lisa remains missing, leaving many unanswered questions about her fate.