A man claimed migrants were killing ducks in the park. In just two weeks, that rumour had spread to Donald Trump

Here's how a baseless claim about Haitian migrants made it onto the US presidential debate stage.

A man claimed migrants were killing ducks in the park. In just two weeks, that rumour had spread to Donald Trump

A man claimed migrants were killing ducks in the park. In just two weeks, that rumour had spread to Donald Trump

A man claimed migrants were killing ducks in the park. In just two weeks, that rumour had spread to Donald Trump

A man claimed migrants were killing ducks in the park. In just two weeks, that rumour had spread to Donald Trump

A man claimed migrants were killing ducks in the park. In just two weeks, that rumour had spread to Donald Trump