Now Playing: Marine vet reunited with service dog taken in stolen car

Now Playing: Service dog company accused of duping customers

Now Playing: Sweet service dog receives her very own cap at owner’s graduation

Now Playing: Service dog who helped owner with PTSD shot twice

Now Playing: Bill Cosby expected to be sentenced Tuesday

Now Playing: Toddler found crawling in middle of street

Now Playing: K-pop super group attends U.N. meeting

Now Playing: Murdered-jogger case from 2014 solved

Now Playing: ‘GMA’ Hot List: Ronan Farrow discusses his reporting on 2nd Kavanaugh accuser

Now Playing: Elderly man found alive in apartment days after fire ravages senior living facility

Now Playing: Catholic pastor ousted after burning LGBTQ banner

Now Playing: Second accuser comes forward against Brett Kavanaugh

Now Playing: Illinois apologizes to wrongfully convicted persons

Now Playing: Judge to decide if Bill Cosby will face prison time for 2004 sexual assault

Now Playing: Florence far from over: SC residents to evacuate

Now Playing: Sara’s husband sent her the most adorable photo of her son’s first day of school!

Now Playing: Police officer fired after fatal shooting at wrong apartment: Chief

Now Playing: Firefighters rescue boy’s birthday when guests cancel

Now Playing: How star of Broadway’s ‘Wicked’ left her job in finance to become actress, singer

Now Playing: Bill Cosby faces sentencing for sexual assault conviction