Related Clues:

• '___ the case'
• Springsteen's '-- Fire'
• Establish the truth by argument
• Springsteen's "___ Fire"
• "___ a Good Man, Charlie Brown"
• Turn out to be
• Establish as the truth
• Tag line (with ''it'')
• '___ the case!'
• '-- the Top'
• Authenticate
• '___ fired' (Trump catchphrase)
• Show to be true
• ''___ Sixteen'' (Ringo Starr)
• Establish as valid