The progressive House member’s office confirmed the preliminary finding as to what was used in the assault. The substance an attacker sprayed on Rep. Ilhan Omar (D-Minn.) during a Minneapolis town hall on Tuesday was found to be apple cider vinegar. Forensic scientists made the determination “with high probability,” CNN wrote , citing a law enforcement source. The progressive lawmaker’s office later confirmed the finding to the news network. Omar was addressing the tension that has erupted