The Nemesis Origin
Book 1 in the Warner & Lopez series. Ethan Warner wanted only to be left alone. An archaeologist he met in his first adventure for the DIA had other ideas when she tracks him down and tells him that the same type of mysterious remains she had found back then were being discovered in other parts of the globe and she needed his help. Nicola Lopez is on her own as a bounty hunter when the DIA asks her to track Warner down.