(Seattle, WA)  --  A former U.S. attorney is the latest candidate to enter the Seattle mayor's race.  Jenny Durkan served as U.S. attorney for the Western District of Washington after being appointed in 2009 by President Obama.  Durkan's announcement came days after incumbent Mayor Ed Murray said he won't seek re-election.  Durkan built a reputation as a U.S. attorney for being tough on cyber crime.