Now Playing: Former Trump attorney Michael Cohen sentenced to 3 years in prison
Now Playing: Cohen pleads guilty
Now Playing: Miracle on the Hudson: A look back
Now Playing: Bus driver hailed as hero for rescuing baby
Now Playing: Robert Blake, 14 years after murder acquittal: ‘I’m not giving up’
Now Playing: 22-year-old California cop killed in line of duty
Now Playing: Michael Cohen to testify in public before Congress
Now Playing: Lawmakers say they see no path forward on shutdown
Now Playing: Federal employees face missing paychecks amid shutdown
Now Playing: Missing teen found alive months after parents murdered
Now Playing: Trump signals he may declare national emergency
Now Playing: Father charged over fake kidnapping, death of infant, police say
Now Playing: Missing teen Jayme Closs found alive after 3 months
Now Playing: ‘Revenge Body’ trainer has the 9-move, at-home workout you need in 2019
Now Playing: Prepare to feel old: These television shows premiered in 1999
Now Playing: Monica Lewinsky: ‘I lost my sense of self’: Part 11
Now Playing: Lawmakers release the Starr Report online: Part 10
Now Playing: Monica Lewinsky reveals blue dress with Clinton DNA: Part 9
Now Playing: President lies to US about Lewinsky relationship on TV: Part 8
Now Playing: President Clinton is deposed in Paula Jones case: Part 7
Read More