This passage highlights a key moment in the plot of "Glory in Death" by J.D. Robb, where the protagonist finds some comfort in the fact that a murder suspect, Roarke, has a solid alibi. The tension surrounding the investigation is underscored by the violent nature of the crime and the unexpected twist concerning Roarke's whereabouts during the murder.

The phrase implies both a shocking act and a complex relationship, revealing Roarke's connection to the investigating officer. The combination of intimate betrayal and criminal activity creates a gripping atmosphere that invites readers to delve deeper into the unfolding mystery and the characters' intertwined lives.