Now Playing: Group spends days looking for engagement ring after it was flushed down the toilet

Now Playing: Officer saves the day by finding woman’s pricey engagement ring

Now Playing: New York police find ring dropped by newly-engaged couple

Now Playing: Paradise students displaced by deadly Camp Fire head back to school

Now Playing: Newly released diary entries, letters from George H.W. Bush

Now Playing: Brett Favre apologizes after being duped to record anti-Semitic message

Now Playing: American woman vanishes during Costa Rica vacation

Now Playing: 1 person dead, dozens injured as tornadoes slam Midwest

Now Playing: Top US Navy Admiral found dead at Middle East home

Now Playing: NYPD finds couple who lost diamond ring in sidewalk grate

Now Playing: Nearly 1,400 aftershocks hit Alaska after earthquake

Now Playing: Trump to attend George H.W. Bush’s funeral

Now Playing: George H.W. Bush’s granddaughters share memories, life lessons

Now Playing: New details on last hours of former President George H.W. Bush

Now Playing: ‘Marvelous Mrs. Maisel’ season 2: What to expect

Now Playing: Convicted killer escapes from an Oklahoma jail by posing as his cellmate

Now Playing: Remembering George H.W. Bush in his own words

Now Playing: Aftershocks continue to rock the Anchorage area

Now Playing: Celebrating the life of former President George H.W. Bush

Now Playing: Roger Stone insists he won’t betray President Trump to Robert Mueller