一夫多妻本身违法吗，这位在警察traffic stop后，trailer里发现3名11-14岁girls

Bodycam: Police Find Young Girls Inside Polygamist Cult Leader Samuel Batemen’s Trailer During Traffic Stop (msn.com)

多达20位 wifes

Bateman, a self-proclaimed prophet and a leader in the Fundamentalist Church of Jesus Christ of the Latter Day Saints, has upwards of 20 wives, some of which are underage. Instead of facing sex trafficking or polygamy charges, police charged Bateman with obstructing a federal investigation and kidnapping in response to their traffic stop investigation.