Lawyers for two same-sex couples challenging the constitutionality of California’s ban on same-sex marriage rested their case Monday after showing videotape of a simulcast in which supporters of the ban said gay marriage would lead to polygamy and bestiality.

The footage was shown as an example of the work of San Diego pastor Jim Garlow, who helped organize evangelical Christian support for the Proposition 8 ballot measure in 2008.

In one video rally led by Garlow, an unidentified pastor warned “the polygamists are waiting in the wings, because if a man can marry a man and a woman can marry a woman, the polygamists are going to use that exact same argument and they probably are going to win.”

Read the rest of Lisa Leff’s AP article here.