A seven-year-old case that led to stunning murder-for-hire charges against a New Jersey political consultant this week bore striking similarities to the 2014 deaths of John Sheridan, a major figure in New Jersey state politics, and his wife Joyce, say family members, who are now asking investigators if there might be a link. In a letter Friday to the state Attorney General, the Somerset County prosecutor and to federal authorities, Sheridan’s son, Mark, requested that the evidence tied to one of the figures involved in the murder-for-hire case that came to light on Tuesday be examined to deter…
