KEY POINTS Tori Branum tipped off ICE, prompting detentions of 475 workers — many South Korean engineers. Legal experts say many detained were on valid B-1 visas doing specialized installation work. Public outcry includes warnings that the raid threatens US–South Korea economic cooperation. Tori Branum, a Republican politician and staunch MAGA supporter, has found herself at the centre of an online firestorm after reportedly tipping off US immigration authorities about alleged hiring practic...