With children now back in school, there's growing attention to an invisible and ongoing threat to their health and safety. Leading health experts agree U.S. children are facing a mental health crisis, and new data suggests the country is lagging behind when it comes to meeting young people's urgent needs.

Seattle mom Stephanie Simpson will never forget the extreme measures she had to take to keep her child safe as he struggled with his mental health. Her son was just 9 years old, a third-grader, when he started developing symptoms, including debilitating headaches, and eventually suicidal thoughts.

To prevent him from harming himself, Stephanie was forced to hide her kitchen knives in a lockbox.

At one point, Stephanie rushed her son to the emergency room, desperate to understand what was happening. An exact diagnosis would take nearly a year. Her son was suffering from OCD, obsessive-compulsive disorder.... Read More: FOX45