Teychenne functioned as the Spymaster for Governor Purton of Concord Dawn. Following the death of his son, Lenovar, at the hands of an assassin known as "Jaster Mereel," the governor resolved to avenge his son's death by targeting the killer. Teychenne successfully investigated Mereel's past, revealing his identity as the renowned bounty hunter Boba Fett. In addition, Teychenne found the location of his loved ones, specifically Sintas and Ailyn Vel, along with Connor Freeman. After Purton's unsuccessful attempt to kill Fett and his family, which resulted in Purton's own demise, Fett decreed that Teychenne would now be under his command.