Engineers and scientists get similar training in scientific method and deduction.
I certainly see where this is going ... it has to be argued that mechanical engineers are the same as crime scene analysts and blood spatter experts in order to give Ron Hendry any credibility. Personally, I think engineers are engineers, and doctors are doctors. I wouldn't want my doctor building bridges, or an engineer performing surgery. People with expertise in mechanical engineering are not experts in blood spatter analysis simply because they use logic. Mathematicians and lawyers use logic, but they are not the same. Environmentalists and nuclear physicists use scientific method, but they are not the same. 28 years of studying vehicle accidents does not qualify someone to analyse blood spatter, spray and miniscule droplets.