[1][3] In the 2001 provincial election, Locke ran for the British Columbia Liberal Party in Surrey-Green Timbers, and defeated New Democrat incumbent Sue Hammell to become the riding's member of the Legislative Assembly.
[3] On September 20, 2004, she was appointed to the cabinet by Premier Gordon Campbell to serve as Minister of State for Mental Health and Addiction Services.
[4][5] In the 2014 municipal election, Locke teamed up with real-estate agent Stephen Gammer under the political party, TeamSurrey, to run for city council.
[13][14] In January 2020, along with fellow ex-SSC city councillor Jack Hundial, she founded a new political slate called Surrey Connect.
[19] The case was dismissed by the Supreme Court of British Columbia in May 2024,[20] with the Surrey Police Service scheduled to assume jurisdiction over the city on November 29, 2024.