How a 32-year-old far right darling became the man who writes Trump's biggest speeches - and the one person people keep blaming for the shutdown

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Stephen Miller.

Now that Steve Bannon has left, perhaps one of the most polarizing figures in President Donald Trump's White House is senior policy adviser Stephen Miller.

At 32-years-old, he's been a rising star on the far right for years, making headlines precisely because of his controversial demeanor and statements.

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Miller's importance in Washington, DC politics has grown even further as he emerged as a key player in talks to end the government shutdown, effectively serving as Trump's surrogate for crafting the White House position on immigration policy.

His hardline positions and knack for policy have made him a force to be reckoned with. But before Miller became a major figure in the Trump administration, he was an outspoken, conservative activist in high school and college, and worked on Congressional campaigns.

Here's how Miller became Trump's right-hand policy man: