"Deep down in my heart, I wish I was with them, the guys who died. They're not suffering anymore," Owens said.
Onigbogi, 46, still has trouble breathing. He hasn't been able to work since the attack.
Like Owens, he has trouble sleeping.
"It's like you are trapped in your own experience, because you don't have somebody who knows what you felt," Onigbogi said.