Martina Gusmán

When brilliant scientist Amber Chesborough vanishes along the Colombia-Venezuela border, her brother and her husband—both elite U.S. Army ...

An accidental killing leads a man down a dark hole of intrigue and murder. Just as he finds love and freedom, one phone call brings back the nightmare.

An ex-cop entered a prison as convicted under a false identity in order to infiltrate within a group of prisoners that has just kidnapped the ...