Where a juvenile offender receives a de facto life sentence, the sentencing judge must make an explicit consideration of defendant’s youth and attendant characteristics that might alter his potential for rehabilitation.The 1st District Appellate Court reversed and remanded the decision of Cook County Associate Judge Marc W. Martin.The body of Emil Mennes was discovered on Aug. 25, 1999 by a resident of his condominium complex who noticed a smell coming from his room and notified a neighbor, who had a key and entered …