Later, however, Wu came to feel that Iruan wasn't receiving proper care. In March 2001, Wu took Iruan to visit his relatives in Taiwan. But just a few days later, Wu died unexpectedly of a heart attack.
後來吳登樹覺得吳憶樺沒有受到妥善照顧，在二○○一年三月以探親名義，將吳憶樺帶回台灣，不料幾天後，吳登樹竟因心臟病發作猝然過世。