Why is it So Easy to Buy Guns in The US?

The failed assassination bid of Donald Trump has once again brought the spotlight on gun-related violence and the easy availability of guns in the US. An initial probe by the FBI has revealed that the shooter was just 20 years old! This incident of gun violence is not localised or a sporadic one. The US has 5% of the world's population but 50% of its civilians own weapons. News9 Plus decodes why and how it is so easy to buy guns in the US