miscavige to be the leader of the religion after he departed this life. >> reporter: that's not how lois reisdorf remembers it. she says hubbard wanted the church to be run by a committee after he died, not one person. but reisdorf says after hubbard goes into seclusion in 1980, miscavige's influence and power grow unchecked as he evolves from the commodore's messenger into a gatekeeper. >> he started to get power and his side, and it ended up being like a coup, where you had half of the management took over and kicked out the other half. >> reporter: reisdorf says she is part of that other half. and that she is relieved of her executive duties. >> it was a betrayal. >> reporter: in the book, you say that your son really developed a taste for power in the sea org. >> there were no checks and balances on him, at, at a certain point, where he could just go ahead. he just assumed that power. >> reporter: the church says neither lois reisdorf, who they say was expelled in 1982 by hubbard personally, nor ron have firsthand knowledge of these events. instead they point out during this time period ron i