Substance attacker reportedly sprayed Ilhan Omar with apple cider vinegarThe man charged at the congresswoman and then sprayed her with an unidentified liquid that smelled strongly using what looked to be a syringeView 4 Images Anthony J. Kazimerczak, 55, was later identified as the suspected attacker and charged with third-degree assault (Image: Getty Images)Officials identified the substance sprayed at Rep. Ilhan Omar during her Tuesday town hall as apple cider vinegar. The man charged at the congresswoman and then sprayed her with an unidentified liquid that smelled strongly using what looked to be a syringe. Article continues belowLater, Omar's office informed CNN that an initial investigation verified the liquid was apple cider vinegar. Trump 'staged' theory debunked as Ilhan Omar attacker revealed to be MAGA for years READ MORE :Capitol Police are also thinking of filing federal charges against Kazmierczak for assaulting a member of Congress, CNN reported. On Tuesday night, when asked if he had seen a video of the attack on Omar, Trump responded, “No.