They still practice polygamy today, but prosecution is very difficult because the wives won't testify. A notable exception was the arrest of conviction in 2007 of president Warren Jeffs (b. 1955), a former fugitive on the FBI's Most Wanted list. | They still practice polygamy today, but prosecution is very difficult because the wives won't testify. A notable exception was the arrest of conviction in 2007 of president Warren Jeffs (b. 1955), a former fugitive on the FBI's Most Wanted list. |