In October 2018 his wife declared him missing after he did not return from a trip to China.

well Wikipedia already got the story on Meng Hongwei

Feinstein Plays Unbilled Role in Taiwan Dispute

I sometimes say that in my last life maybe I was Chinese," Feinstein said.

http://articles.latimes.com/1996-03-22/news/mn-50059_1_dianne-feinstein