"The Navy has already examined the concussive wave theory. We found it highly unlikely to have injured the crew, let alone caused their deaths," said Taylor, who added the team had not had time to review Lance's research.
Duke grad student researches how Confederate sub crew died →
Paul Taylor, who says he saw the attack, told WJAR-TV the officer tried unsuccessfully to pull the dogs away before he shot them.
Police: Officer killed 2 pit bulls that attacked man, dog →