Common Law ( Air Date 2012-05-11 ) Genre Drama, Comedy, Crime category. Overview "Travis Marks and Wes Mitchell are two partners who – apart from their polarity and odd couple behavior – have a seven-year track record as the Los Angeles Police Department's best detectives in the Robbery-Homicide Division. Since their constant bickering is interfering with work, their new-age captain – who found counseling changed his life – sends them to couples' therapy.".