click to enlarge Image via St. Louis Metropolitan Police Department

Bryan Sosa, 23, was charged with involuntary manslaughter after a fatal crash.

A south St. Louis man has been charged with involuntary manslaughter in a hit-and-run crash that killed a twelve-year-old boy.The boy, identified as Clinton Vorce, was on foot on at about 8:40 p.m. on Tuesday, crossing Gravois Avenue near the Bevo Mill when he was hit by a speeding red Audi, police say. The driver shot north on Gravois and kept going, police say.Clinton was rushed to the hospital and died just before 4 a.m. on Wednesday.Police put out a call for information about the driver of the Audi, and eventually took Bryan Sosa of South Grand Avenue into custody. Along with second-degree involuntary manslaughter, Sosa was charged today with leaving the scene of an accident and tampering with physical evidence.He was jailed on $500,000 cash bond.