Salams,

Some of you might have read this article on the epidemic and crises of secret marriages in Canada:

https://www.cbc.ca/news/canada/polygamy-canadian-muslim-community-1.4971971

You might want to read this by Dr. Khaled Abu El Fadl on the permissibility of different types of marriages to make sure we’re not supporting unlawful practices in the US:

http://www.altmuslimah.com/2016/03/not-marriages-equal-islamic-marriage-temporary-marriage-secret-marriage-polygamous-marriage/