DeSoto killer, 13, to serve sentence at youth facility Teen could remain in custody until age 21 05/22/2002 By JENNIFER EMILY / The Dallas Morning News A state district judge, calling the actions of a 13-year-old who killed his best friend "cold, calculated and deliberate," ordered the boy Tuesday to serve time at the Texas Youth Commission. The sentence carries a penalty of 180 days to two years, but once in custody, the DeSoto youth could remain until age 21. Defense attorney Ray Jackson, who asked state District Judge Cheryl Lee Shannon for probation, expects his client to serve...