Tweet causes cruise ship scare

Published On: May 08 2012 10:33:01 PM CDT   Updated On: May 08 2012 10:40:12 PM CDT
Carnival Cruise Lines

May 8, 2012: FBI agents and Homeland Security officials search for signs of a bio-hazard attack on a cruise ship in Galveston, Local 2 Investigates reports. Amy Davis reports.