Back in 1982, Chelsea McClellan -- just 15 months old -- needed immunizations.
It was routine stuff, so Chelsea's mother took her to a local clinic in Kerrville, Texas. What happened there was anything but routine.
He tried to warn them.
A Palestinian researcher posted a message on Facebook CEO Mark Zuckerberg's page last week after he says the site's security team didn't take his warnings about a security flaw seriously.