Covert weapons have been a part of warfare for as long as we can remember, though till recently, they were largely restricted to untraceable poisons found in nature or basically-assembled booby traps. It wasn’t until the Second World War – when espionage was established as a distinct military discipline – that covert weapons became as deadly as they are today.
Some of the most effective covert weapons in history have proven to be as effective in achieving military goals as any conventional weaponry, and unsurprisingly, a lot of them are from the Cold War era. From the heart attack gun to nanobots to the lipstick bomb, here are our picks for the deadliest covert weapons ever developed.
This is an encore of one of our previous lists, as presented by our YouTube host Simon Whistler. Read the full list!