A 44-year-old New Jersey woman has been convicted of killing her 17-month-old son more than four years ago by suffocating him with a cleaning wipe, authorities said. A jury on Thursday found Heather Reynolds guilty of murder, possession of methamphetamine and endangering the welfare of a child, the Camden County Prosecutor’s Office said. Reynolds, of the Sicklerville section of Gloucester Township, was found not guilty of conspiracy in an alleged murder-for-hire plot to kill her ex-boyfriend, according to Inquier.com. “A lot of people worked very hard to get justice for this child,” said Peter…