A Houston man convicted in a decade-old cold case murder, who also sold drugs while in jail, is headed to prison for a long time.
Joshua Sinclair Owens, 35, who the Harris County District Attorney’s Office described as a repeat offender, pleaded guilty to murder for the strangulation June 2008 death of 48-year-old Marsha Lynn Mitchell.
According to authorities, Owens sexually assaulted Mitchell before killing her and dumping her body behind a construction site in Houston’s south side. Her case went cold for more than 15 years before detectives used DNA evidence tying him to the crime…