The FBI and Metro PD of Washington, DC have a proven strategy for solving crimes: The rules for Detective Alex Cross are his own. They are enforced by Detective John Sampson.
Ryle is assertive, obstinate, and possibly even a little bit arrogant. In addition, he is brilliant, sensitive, and completely in love with Lily. Additionally, his appearance in scrubs certainly helps. Lily is unable to forget about him. However, Ryle's total aversion to romantic relationships is troubling.