Mezue ahịrịokwu na-esonụ: Feinstein dere Iwu Mmachibido Iwu Ngwá Agha Ọgụgụ Federal nke 1994, nke kwụsịrị n'afọ 2004. Ọ webatara iwu ọhụrụ maka ngwa agha n'afọ 2013 nke a na-agaghị agafe. Feinstein bụ nwanyị mbụ bụ onye isi oche Kọmitii Iwu Senate na Kọmitii Nnyocha Senate, na nwanyị mbụ bụ onye isi oche otu
Ememe nhọpụta onyeisi ala US. Ọ bụ onye isi oche nke Kọmitii Ikpe nke Senate site na 2017 ruo 2021 ma bụrụ onye isi oche nke International Narcotics Control Caucus kemgbe 2021, na-eduzi nke ikpeazụ site na 2009 ruo 2015.