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Louis Theroux has done some pretty incredible stuff over the years, but each time he brings out a new documentary it seems to raise the bar.
From exploring particular cultures, to spending time with disgraced celebrities, to giving an insight into addictions, he's done it all. His latest, a three-part series called Dark States, has yet again got people talking.
The first of the three shows titled Heroin Town, focuses on opioid addicts who use prescription medication as well as the highly addictive substance heroin.
The filmmaker embedded himself in an Appalachian community, which is being 'devastated and stretched to its limits by widespread heroin use'.
Credit: BBC Two
His film making on this occasion proved to be possibly too much, as people got emotional, but also questioned why he's yet to be knighted.
Particular moments stood out in the documentary, most of which were tough to watch.
Louis met 25-year-old Katillia through a needle exchange programme and she showed us how she battled her addiction. The young woman admitted to shooting up about six or seven times a day, which costs roughly $200 (£153). The West Virginian said she has robbed people and also stripped and prostituted herself to get the cash to pay for her drugs.
The confronting footage on BBC showed Katillia injecting heroin in front of Louis and her boyfriend Alvin. She also revealed that he physically abused her early on in the relationship and even broke her nose once.
It's the sort of harrowing footage that has become synonymous with Theroux, but the way he deals with it all holds him in even higher regard.
We once pondered over the fact that was surely a national treasure, to which he modestly accepted, of course.
We imagine he'll gleefully accept the knighthood he's due, too.
So far fans have called for the filmmaker to be made Prime Minister, President and now to become Sir Louis. We're fast running out of things he should become, so expect to see people calling for the Royal Family to be dethroned and replaced by the man himself.
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