"Everything we have our hands on -- we're going to examine it closely, scrutinize the paperwork and ensure ourselves the product and the truck are in compliance with all laws, " said Customs Service Director of Field Operations Kevin Weeks.

CNN: Ressam reportedly had ingredients for powerful chain reaction explosive

Dr Anthony Speier, director of Disaster Mental Health Operations in the Louisiana Office of Mental Health, says his 600 field counselors have made 800, 000 contacts with people in the year since the storm.

NPR: Mental Issues Surge, Suicide Rates Flat Post-Katrina

Many of the injuries were sustained when fans jumped onto the field from a barrier as high as 15 feet in places, said Michael Authement, director of operations for emergency medical provider LifeNet EMS. Others were stomped on in the push to get to the field, he said.

WSJ: Oklahoma State Football Melee Puts Security Under Scrutiny