Illinois congressman Adam Kinzinger said on Thursday night Gaetz must go Kinzinger is the first Republican to call for Florida congressman's resignation Gaetz's legislative director, Devin Murphy, was reported Thursday to have quit He followed press secretary Luke Ball out the door on Friday Gaetz, 38, is reportedly being investigated for sex trafficking and prostitution His associate Joel Greenberg, 36, is in jail on 33 federal charges Greenberg is said to be cooperating and readying to take a plea deal Gaetz reportedly paid Greenberg, an accused sex trafficker, $900 in 2018 The transactions were made late at night via Venmo, The Daily Beast reported Early the next morning Greenberg distributed $900 to three women