Erin Brockovich Sends A Team To LeRoy

Students in Le Roy, New York, are beset by an unexplained storm of tics and verbal outbursts.

What's causing the mysterious tic-like illness affecting 15 students at LeRoy High School in New York? The famous environmental activist Erin Brockovich is aiming to get to the bottom of it.

In this preview, Anderson Cooper asks environmental advocate Erin Brockovich why she's looking into a mysterious illness affecting girls in Le Roy, NY. Watch the full interview on Monday, Jan. 30 at 8 and 10 p.m. ET on

Who could forget Halle Berry's sheer Elie Saab when she won her Best Actress Oscar for “Monster's Ball,” or Julia Roberts' classic black-and-white Valentino when she was awarded for “Erin Brockovich?” Click “Launch Gallery” below to check out these

Now, nationally-known environmentalist Erin Brockovich is questioning that, and says she has data to support her alternate theory about what's causing the teens' neurological symptoms. "In 1971, there was a very serious train derailment that caused one