A former Boston Public Schools academic dean who led a double life as a member of the Latin Kings gang and shot a student pleaded guilty to racketeering charges Tuesday, the U.S. District Attorney for Massachusetts announced. Shaun “Rev” Harrison, 63, pleaded guilty to conspiracy to conduct enterprise affairs through a pattern of racketeering activity, more commonly referred to as RICO conspiracy, in federal court... In 2015, the DA said, Harrison was hired by BPS as an academic dean at English High School. In that role, Harrison was to act as a mediator between teachers and students, contact families when...