Match Group, which owns most major online dating services, screens for sexual predators on Match—but not on Tinder, OkCupid or Plenty of Fish. A spokesperson said, “There are definitely registered sex offenders on our free products.”

He has seduced and swindled young women for millions and is a fugitive from justice in several countries.

“I never got the ‘I’ve never seen a black woman, let me touch your hair’ vibe, it was more just like, ‘Hi, attractive person, let’s do this.’”

After a year of tumult and scandal at Tinder, ousted founder Sean Rad is back in charge. Now can he — and his company — grow up?

On the front lines of a dating culture dominated by right and left swipes.

An oral history of the Tinderverse.