Ex-FBI agent John “Zip” Connolly, up for parole in Florida for his part in a 1982 gangland slaying, should not be set free because “he hasn’t done enough time,” said the widow of the man left for dead in the trunk of a car.“We know what his family is going through because we are going through it, but I can’t send my husband letters in prison,” Mary Callahan, 77, told the Herald.