-
Now Playing: Human error allegedly to blame for compromised eggs and embryos, tank supplier says
-
Now Playing: Trump tweets and calls James Comey, 'slippery' and 'out of whack'
-
Now Playing: A possible 'school' attack threat shut down by police in NY
-
Now Playing: Former First Lady Barbara Bush in failing health
-
Now Playing: Stormy Daniels goes to court
-
Now Playing: The latest on Syria
-
Now Playing: Handcuffing of 2 black men in Starbucks in Philadelphia sparks controversy
-
Now Playing: Former homeless woman graduates from law school
-
Now Playing: Spring storm moves east after blanketing central US in snow
-
Now Playing: Bus driver reconnects separated sisters
-
Now Playing: Starbucks apologizes to two black men handcuffed and arrested at a store
-
Now Playing: Wife accused of killing her husband on the loose
-
Now Playing: Massive storm sweeps across the country
-
Now Playing: Trump and Cohen's lawyers try to keep seized documents from prosecutors
-
Now Playing: Comey sits down for first one-on-one interview since he was fired
-
Now Playing: Unanswered questions around the attack on Syria
-
Now Playing: Syria denounces the U.S.-led attack
-
Now Playing: Trump calls military action on Syria a 'perfectly executed strike'
-
Now Playing: Trump plans to meet with senior military leaders on Monday
-
Now Playing: Alleged chemical attack in Syria may have killed up to 40 people