With eerie similarity, actress after actress -- more than two dozen and counting -- have described encounters with Weinstein where he pressured them to have sex.

The abusive behavior of a powerful man towards vulnerable young women and the almost ritualistic nature of the alleged acts has sparked comparisons with another powerful entertainment figure, comedian Bill Cosby.

Dozens of women have come forward in the past few years and accused Cosby of drugging and raping them although only one sexual assault case has come to trial.

It resulted in a mistrial in June when a jury failed to reach a unanimous verdict but the 80-year-old Cosby is to appear in a Pennsylvania court again in April of next year.

"Lots of people have a pattern," said Kristen Houser, a spokesperson for the National Sexual Violence Resource Center.

"When you have somebody who is a serial predator they find what works and they hone it and perfect it and use it repeatedly," said Houser, who also works for the Pennsylvania Coalition Against Rape.

"This is ritualized sexual entrapment," said psychotherapist Judi Bloom. "The ritualistic aspect makes them comfortable."

- 'Don't have a choice' -

Gayle Wyatt, a sex therapist and psychologist at the University of California, Los Angeles (UCLA), said there is an element of ritual to most sexual relationships.

"Most people have a way in which they approach a partner, in the way they are aroused and they replicate that," Wyatt said.

But Weinstein's interactions with aspiring young actresses were not your typical consensual relationship.

"This is getting somebody where they feel almost compelled to give in to the sexual predator," Bloom said. "They start to feel that they don't have a choice."

A spokesman for Weinstein said many of the encounters were consensual and the experts say he may actually believe that.

Read also: New York, London police investigating Weinstein amid fourth rape allegation

"They can rationalize the behavior," Bloom said.

Someone who is a sexual predator is not necessarily "conscious that they are being animalistic and that this is a trap," she said. "They're not necessarily conscious of their own actions."

They may also convince themselves the interaction is acceptable because they see it as mutually beneficial -- in Weinstein's case a sexual favor in exchange for career advancement.

The backdrop for Weinstein's attempted seductions appears to have usually been a hotel room or a restaurant.

Again, experts said this is typical behavior. "It's not something to do in your home so it'll happen in a hotel room, a classroom, after hours, in a church -- a different environment," said Bloom.

The power dynamic is also familiar and by no means restricted to Hollywood.

"It happens across the board when people are in a power position towards those who are less powerful," said Bloom. "CEOs of a company, a priest or anyone else."

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