27-year-old Kevin Wesley was charged in the murder of Victor Thompson who was shot to death while sitting in his car in November 2010.
Arjun Dyapa, the owner of Brunswick Pharmacy, was shot and killed during a robbery in April 2011.
Police charged 26-year-old Jamar Myers in that killing.
Mercer County Prosecutor Joseph L. Bocchini Jr. spoke about the tireless efforts of law enforcement to bring criminals to justice.
"We are sensitive to the families of these victims and all of the victims of crime," Bocchini said. "We are working tirelessly to ensure that justice is served and that the victims and their families have closure."
Thomson and Myers were already in custody at the Mercer County Correctional Facility, stemming from unrelated incidents.
Bail for both suspects was set at $1 million.
