“This is a very tough thing to deal with,” he said.
“I’m a man of my word.
I am a man who is a strong believer in my faith, in the Bible and in the Church of Jesus Christ of Latter-day Saints.”
Mr Johnson said he has not yet spoken to his daughter and is unsure of whether he will attend her funeral.
“It’s a very emotional time for her,” he told ABC News.
She is going to mourn for a long time, but it will be a beautiful time.”