Explanation:

- Child trafficking: This is an original and serious crime involving the illegal trade and exploitation of children, often for labor, prostitution, or other forms of exploitation.

- Smuggling of narcotic drugs: This is also an original crime, dealing with the illegal transportation and distribution of controlled substances.

- Organ trafficking: A recognized crime that involves the illegal trade of human organs, often resulting in exploitation and harm to vulnerable individuals.

- Riot: Generally refers to a violent public disturbance by a group of people. It may not be categorized as an "original" crime in a legal sense like the others, but it is still a criminal act.

Correct Answer: Riot is not typically considered an original crime like the others discussed.