With about 100 million visits per day, Pornhub is one of the biggest websites on the planet. This four-part series pulls back the curtain on the scrappy, Montreal-based startup that revolutionized sex on the internet — and the massive scandal that exposed its dark side. The Pornhub Empire, season 2 of Understood, releases March 11. Hosted by journalist Samantha Cole (How Sex Changed the Internet and the Internet Changed Sex). About Understood: Know more, now. From the fall of Sam...

Incels are only part of the threat. Ellen speaks with a woman who spent years undercover among a vast network of online communities — among them so-called mens’ rights activists and pickup artists — all united in their desire for total male supremacy. They orchestrate harassment campaigns, glorify violence against women and actively recruit vulnerable young men. Few people are talking about it. And no one knows how to stop it.

Evan shares a troubling period from his past and reflects on the different paths he and Alek took. What pushes someone to kill in the name of an ideology? Ellen speaks to a former Jihadi recruiter about the murky path from radicalization to terrorism.

Alek frequented incel sites for years, lurking in forums that celebrated or even encouraged the kind of attack he’d go on to commit. What draws young men into this toxic world? Ellen connects with a prominent incel who takes her down the rabbit hole.

Evan and Alek are in the same special-needs program in high school, where they’re both bullied and ostracized. But while Evan tries to break out of his shell, Alek retreats further into himself and finds solace in some of the most disturbing corners of the internet.

Hours after a deadly van attack in Toronto, the media starts hunting for clues. One of those clues leads to a surprise phone call and a shocking discovery.

Boys Like Me follows the story of two high school friends: one became an autism advocate and film-maker; the other went on to commit one of the most notorious mass-killings in recent times. Host Ellen Chloe Bateman explores the world of incels and finds a dark, online world fueled by violent misogyny and extreme isolation that presents a growing threat to public safety.