Now Playing: Suspected Nazi war criminal deported to Germany

Now Playing: Woman dupes dozens of men into public dating contest via Tinder

Now Playing: Bizarre twist as Colorado man is formally charged for killing pregnant wife

Now Playing: J.Lo wins big at VMAs while Madonna faces backlash

Now Playing: Trump deports last Nazi war criminal in US back to Germany

Now Playing: Woman walking dog victim of gator attack

Now Playing: Severe storms slam Midwest

Now Playing: Former Trump campaign adviser may withdraw guilty plea

Now Playing: Trump discredits special counsel, calls Mueller’s team ‘thugs’

Now Playing: Mickey turns 90: Celebrate the mouse’s milestone with this ultimate candy collection

Now Playing: A pop-art exhibit celebrating 90 years of Mickey Mouse is coming to New York City

Now Playing: Job post for living at cat sanctuary on Greek island flooded with 35,000 applications

Now Playing: ‘GMA’ Hot List: How parents should deal with picky eaters

Now Playing: New Zealand politician bikes to hospital to give birth

Now Playing: Sabrina Carpenter performs ‘Almost Love’ live on ‘GMA’

Now Playing: Catching up with Sabrina Carpenter live on ‘GMA’

Now Playing: IndyCar driver airlifted after violent crash

Now Playing: The 20 best end-of-summer books to read

Now Playing: How much should parents pressure picky eaters?

Now Playing: How to wear some of this fall’s hottest fashion trends