Pedzisa mutsara unotevera: Muna March 2015, Gallagher akagadzwa kuti azadze nzvimbo isina vanhu yakakonzerwa nokurega basa kwaSenator Kate Lundy. Akagadzwa Bill Shorten's mumvuri ushumiri gare gare mugore, uye akasarudzwa kuSeneti pachake pachake musarudzo yemubatanidzwa ya2016. Akazosarudzwa kuti ave Manager weOpposition Business muSeneti. Muna Zvita 2017, panguva ye
Gallagher akatumirwa kuHigh Court. Dare rakapa mutongo muna Chivabvu 2018 kuti akarambidzwa kugara muSeneti nekutadza kusiya ugari hwake hweBritain asati asarudzwa musarudzo muna 2016. Akadzokera pachigaro chake chekare cheSeneti musarudzo yemubatanidzwa ya2019.