Petersburg mother pleads for justice after losing second son to gun violence

Petersburg mother pleads for justice after losing second son to gun violence

PETERSBURG, Va. -- In early April, a Petersburg man was shot and killed in what was the city's second homicide of the year. On Friday, sources told CBS 6 that four family members of the victim, Semaj Cooper, were shot in Dinwiddie Monday. Police are now working to see if the suspects in Cooper's murder are also involved in the quadruple shooting in Dinwiddie. Before his death, Cooper's mother, Tamika Warren, says her son had just started a new …