Kim Kardashian talks to Menéndez Bros and the actor who plays Erik in the new series

Kim Kardashian's meeting with some notorious prisoners … talks about prison reforms with Eric And Lyle Menendezamong others — right after Erik had her colleague Robert F. Kennedys show, which is all about her life.

Sources with direct knowledge told TMZ … Kim just stopped by the Richard J. Donovan Correctional Facility near San Diego to speak to a group of about 40 inmates – including Erik and Lyle.

Her sister accompanied her Khloe Kardashian and mom Kris Jenner … and film producer Scott Budnick – and, shockingly, actors Cooper Cook who plays Erik in the new Netflix biopic series “Monsters: The Lyle and Erik Menendez Story.”

We're told the superstar group was there to talk about their work on criminal justice reform… As you know, Kim is very passionate about this issue – she regularly speaks to incarcerated people about the various projects she supports.

One of their main talking points… Greenspace, a reform strategy to beautify prison yards to aid in the rehabilitation of inmates – led by Lyle Menendez. Erik is also heavily involved in the project.

As we told you … Erik recently called Murphy's new series nonsense – blow up the show as a “naive and inaccurate” portrayal of the murders that made headlines around the world.

He said RM went out of his way to portray him and his brother in the worst possible light by omitting the abuse allegations against their father.

Of course, Erik and Lyle are serving life sentences for the brutal murder of their parents. Jose And Mary Louise “Kitty” Menendezwith a shotgun in 1989.