Christine, is Alex's one-time-girlfriend and ex-fiancé. She first appeared in Jack and Jill where her husband is killed and she meets Alex. In Cat and Mouse she begins dating him and the two fall in love with each other. In Pop Goes the Weasel she is kidnapped for over a year; during that time she is pregnant with Alex's child and gives birth at the end. Alex is able to find her and their new born son, Ali. In Roses Are Red she becomes paranoid since the events of the previous novel, and the baby, who she names after Alex, is living with her. She has changed and begins to distant herself from Alex, fearing the work he does and believes that her life is ruined because of him. She eventually leaves for Seattle and also leaves Alex "Ali" with Alex. She returns in Big Bad Wolf to claim custody over Ali. In Mary, Mary she appears in court for custody of Ali and wins, but near the end of the book, she gives Alex Ali. She returns in Cross Fire to spend time with Alex, after hearing that he was going to marry Bree Stone, but ends up angering him and leaves after her time with Ali. During the novel, it is hinted that she still harbors some love for Alex. She, though does not appear, is mentioned to be spending Christmas with Ali in Merry Cristmas, Alex Cross.