This ‘Whistleblower’ couple found love and then launched a three-part plan to take down a Utah polygamous sect

Mary Nelson — that’s her last name now — tossed the handbag out the house window, lowered herself to the ground and began running toward Taylorsville’s Millrace Park.It was 2013. Mary was leaving her family, which included her father and what she says are his 18 wives and about 200 children. The other side of the park was where Mary had arranged to meet her then-boyfriend, Bryan Nelson, and his father. Mary laid down in the back seat of the car they rented, staying out of