Nunberg: 'Don't think I should' give emails to Mueller
Who is former Trump adviser Sam Nunberg?
Nunberg: I won't say Trump treated me well
White House responds to Nunberg's claims
Nunberg: I might give Mueller my email password
Nunberg attacks Trump camp: They're pathetic
Nunberg: Mueller won't send me to prison
Nunberg to Tapper: I'll send you my subpoena