Well, no. People with outright evil intentions, the kind that would hire a hitman, definitely also pour money and brains into the very same research.

Technologies are morally agnostic: a knife, a rifle, a piece of cryptography, they all work equally well for the noblest and the most nefarious purposes. It's the humans' task to structure the society in such a way that good uses of technology mostly dominate evil uses.

You're missing the substance of what I've said. No one is denying evil people exist. But take a few more seconds to process what I said...