(CNN) -- A teenager who died at a Florida boot camp was suffocated by guards who were restraining him, a medical examiner has determined. The teen's mother hailed the findings, saying "the truth is out," but a lawyer for one of the guards accused the examiner of giving in to political pressure. Martin Lee Anderson, 14, died in January after he was restrained and struck by workers at the boot camp for juvenile offenders. No charges have been filed in connection with Anderson's death. Initial autopsy results in February had determined Anderson died from complications from sickle cell trait, which...