Behm three of three Cowboys staffers seriously hurt Sunday . Rich Behm 's spinal cord severed by a fractured vertebrae , paralyzing him from waist down . Canopy over Texas Cowboys ' practice facility collapsed during thunderstorm . Rich Behm , 33 , was one of three Cowboys staffers seriously hurt when the storm struck their practice facility Saturday afternoon . Team photographers were up in framework of structure , rode it down , witness says .
Behm three of three Cowboys staffers seriously hurt Sunday . Rich Behm 's spinal cord severed by a fractured vertebrae , paralyzing him from waist down . Canopy over Texas Cowboys ' practice facility collapsed during thunderstorm . Team photographers were up in framework of structure , rode it down , witness says .