According to the article the relationship was 12 years ago and they had "left campus six months before [the] relationship had begun". Had (2) been a factor at

According to the article the relationship was 12 years ago and they had "left campus six months before [the] relationship had begun". Had (2) been a factor at the time it wouldn't have been now, and (3) doesn't sound likely given that they'd already left the campus.