The boy apparently benefitted from medical marijuana administered orally by the mother as a “tincture”.
Nightline followed with a Twittercast as to whether to legalize medical marijuna.
The ABC news story by Chris Connelly, Astrid Rodrigues and Jennifer Joseph (“Marijuana From Mom: Mother Says Drug Helps Son Cope with Severe OCD: Parents Resort to Medical Marijuana to Treat Kids with OCD, Autism”) is here. There was also a report of a child with a severe body motion disorder that parents attributed to vaccines. The child was successfully treated with natural remedies in North Carolina, and some people thought it was a mental disorder.
This sounds like something John Stossel would have covered in the past.