Brockovich investigates mystery illnesses

After over a dozen New York high school students reported suffering from mysterious tics, a 36 year-old woman says she has symptoms, too, as a group led by Erin Brockovich looks into the case. NBC’s Amy Robach reports. (TODAY)

MSNBC | February 3, 2012

Tags:. .robach. .tics. .symptoms. .dozen. .mystery