Career
Crothers entered the South Australian Legislative Council in 1987 to fill an Australian Labor Party vacancy, and then was re-elected as a Labor candidate in 1993. However he resigned from the party in order to support the Olsen Liberal government"s legislation to privatise ETSA in 1999. His first electoral test as a non-Labor candidate was at the 2002 election.
He stood as an independent for the Legislative Council, but failed to get elected.