The Sin Factor (DC Bad Boys Series, #1)

In this intriguing mystery, Jeffrey Sinclair has a thief in his midst. One of his highly sensitive prototypes has gone missing and in his search, he finds himself in the middle of a deadly game, where trust is a luxury he can’t afford. The last person to have the devices has been killed, and now, his only link to the stolen property is the man’s widow.

Avery Montgomery is a woman heroes marry and protect for life, but Sin’s never been the protective, hero type--not like her late husband. Wh...