Terror in the Gulf

S5 E1: Texas may be best known for its wide-open plains, but it also has a thriving beach scene. The waters of the Gulf are home to a range of shark species, which isn’t usually a problem for humans. But in 2010 and 2011, six terrifying attacks leave locals fearing for their safety. A team of expert investigators takes a closer look at what could be the cause of these mysterious and harrowing attacks.