Documents: Before stabbing bus driver to death, attacker said 'God bless you'

Chaos erupted on a Tampa city bus when a passenger stabbed the driver to death. The attack happened around 4 p.m. on a HART bus on Nebraska Avenue. Investigators tracked down and arrested Justin McGriff, 35, who was on foot on Interstate 275. According to an arrest affidavit, the bus was equipped with an audio-visual surveillance system, which recorded the attack. The document says McGriff was holding a weapon in his right hand as he walked toward the front of the bus. He stopped next to the driver and could be heard saying "God bless you, God bless you," just before he attacked. MORE: http://www.fox13news.com/news/local-n...