MARYSVILLE — A courtroom romance between a former city prosecutor and a public defender could throw into question more than 300 cases in Marysville, according to documents recently obtained by The Daily Herald through a public records request.Former Marysville city prosecutor Al Treacy and defense attorney Marne Whitney — at the time working with the city-contracted Feldman & Lee law firm — often were adversaries at Marysville Municipal Court, where they handled misdemeanor cases. They also were in a consensual sexual relationship from at least August 2019 to March 2020, unbeknownst to...…MARYSVILLE — A courtroom romance between a former city prosecutor and a public defender could throw into question more than 300 cases in Marysville, according to documents recently obtained by The Daily Herald through a public records request.Former Marysville city prosecutor Al Treacy and defense attorney Marne Whitney — at the time working with the city-contracted Feldman & Lee law firm — often were adversaries at Marysville Municipal Court, where they handled misdemeanor cases. They also were in a consensual sexual relationship from at least August 2019 to March 2020, unbeknownst to...WW…