Can death sentence be a deterrent to a crime? For example, can it prevent rape or act of terrorism? Let’s keep emotions aside, and explore science. Let’s see what we can learn. If we look at basic principles of behavioral medicine, any behavior can be controlled by the consequence when it is congruous, contiguous and consistent. But interestingly, quantum of punishment is a poor indicator of change.

Translating this in real life means if we have to stop rape or act of terrorism by judicial punishments, the consequence has to be consistent for all, barring any divide. There should not be any difference when it comes to a well-connected, rich, high or mighty. Because if that’s the case,  the observants  i.e. the common people then tend to get a very wrong message, that it’s ok to commit any crime if you know persons at right places or have enough money to silence them. Similarly, the…