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Utah Attorney General Sean Reyes is scheduled to attend a screening of the film "Prophet's Prey" on Wednesday in Cedar City, and followers from a polygamous church that is not discussed in the documentary want to remind him they're not all like each other.

"Prophet's Prey" examines the Fundamentalist Church of Jesus Christ of Latter-Day Saints and its imprisoned president, Warren Jeffs. The screening is at 5 p.m. at Gilbert Great Hall, 351 W. University Blvd. on the campus of Southern Utah University. A conversation with Reyes and private investigator Sam Brower, upon whose work the documentary is based, is scheduled for 6:30 p.m.

The second-best-known — and far less infamous — polygamous church in the United States is the Apostolic United Brethren (AUB). And some of their members are worried Wednesday's forum will cast a blanket perception of all polygamists.

On a blog focused on AUB issues, a call was made Tuesday for AUB members and independent polygamists to attend Wednesday's forum.

"If they start tying plural marriage and human trafficking together in public forums, and acting on it legally, we may as well kiss all our liberties and loved ones goodbye," the blog post says.

Peggy Lynch, a Montana resident who helps run the blog, said she wants someone at the forum to say that not all polygamists are like the FLDS.

"If [attitude and actions] starts to spill over because of what the FLDS have done, then we get a little concerned," Lynch said in a phone interview.

The blog says the AUB has four or five families in Cedar City, and there are a few independent polygamists — those who do not affiliate with a church — there, too. The AUB has enclaves in Salt Lake and Utah counties and in Pinesdale, Mont.

Twitter: @natecarlisle