Bioterrorist Experts News Today

Poisoning. although he was never charged, bruce ive vans, a government scientist was thought to be a key suspect. three years ago he committed suicide that leads us to today. we have new questions emerging who was really responsible for these deadly attacks. catherine herridge is taking a closer look in washington. >> reporter: thank you, jenna. the homeland security committee is hearing from bioterrorist experts. one of the striking statements this morning at hearing that the u.s. government st...