Owen Grady has proven that Velociraptors are trainable, so it is easy to see why the moneymen wanted to base this new creature on that species.
Beyond just being lethal, Jurassic World: Fallen Kingdom seems like it will probably pick up the thread of the last film with the military applications of the dinosaurs.
The Tyrannosaurus Rex can maybe wreak the most havoc and cause the most damage in total, but pound for pound, as we’ve seen since the first Jurassic Park, Velociraptors are smarter, deadlier and more capable.
Blue is special in that she is the last of that species that proved trainable, but she was also the most obedient of all the raptors, making her DNA the perfect starting point for those looking to create deadly living weapons that can be controlled.