 Dexter ultimately understands, and tells her that she should not be sorry that her darkness has left her, promising her that he will carry her darkness as well as his own.Dexter is devastated by her departure, but swears that he will be thankful for what she gave him, and notes that Lumen is the only person whose life has been made better by discovering his secret "true" self (i.e., that he is a serial killer).Cira Manzon is a young Hispanic police officer that gets assigned to the Santa Muerte murders investigation.