Now Playing: What happened during '20/20's' gun demonstration in replica of room where woman died

Now Playing: Family of woman found dead believes she didn't commit suicide but was killed

Now Playing: Newborn daughter of fallen soldier takes photos with comrades

Now Playing: Secretary of state holds press conference on North Korea meetings

Now Playing: André Leon Talley on 'Roseanne' controversy, struggle to make it in the fashion world

Now Playing: Trump meets with Kim Kardashian West over prison reform

Now Playing: Family of Michelle O'Connell says its forensic expert made surprising discovery

Now Playing: Pompeo meets with North Korean official in New York

Now Playing: 3 people swept away in floodwaters remain missing amid heavy rain in Virginia

Now Playing: Mother separated from son at US-Mexico border tells harrowing moment

Now Playing: Dozens of animals found dead at pet store

Now Playing: 'GMA' Deals and Steals on must-haves for summer fun

Now Playing: Unruly passenger forces Delta flight diversion

Now Playing: Girl makes history at National Spelling Bee

Now Playing: Preacher who wants $54M jet will donate old jet

Now Playing: New bodycam video shows lead-up to cop's punching woman

Now Playing: Youth football team frees woman from flipped car

Now Playing: Steph Curry speaks out before showdown with Cavaliers