Mustello worked as a staffer for Congressman Mike Kelly from 2011 to 2019.
[2] In 2019, Mustello ran in a special election to represent District 11 in the Pennsylvania House of Representatives, after former representative Brian Ellis resigned over sexual assault allegations.
[3] She defeated Democrat Sam Doctor to win.
In 2020, she defeated Ryan Covert in the Republican primary, and Sam Doctor again in the general election.
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