Half-naked woman was thrown down from the 30th floor by a foreigner, where is human nature?

At around 3 a.m. on April 5th, in a residential building at Dongfeng Plaza in Yuexiu District, a woman was allegedly thrown down from the 30th floor by three foreign men over a dispute about prostitution charges and was hanged on a purlin between the 11th and 12th floor and died on the spot.