A ranar 22 ga Fabrairun 2019, Warren ya wallafa a shafinsa na Twitter cewa: "Saudi Arabia ta yi wa Saudiyya kisan gilla
ta kashe wani dan jarida a cikin ofishin jakadancin ta kuma ta yi ruwan bama-bamai kan fararen hula na Yemen da jiragen yakin Amurka. Kuma idan hakan bai isa ba, hakan kuma yana iya canja wurin makaman Amurka ga masu tsattsauran ra'ayi. Lokaci ya yi da za a fara tuhumar Saudiyya".