Murder at the Pentagon (Capital Crimes Series #11)

"Margaret Truman has become a first-rate mystery writer."
LOS ANGELES TIMES BOOK REVIEW
When a genius doctor is murdered and a desert madman gains the means to kill millions, Major Margit Falk, a helicopter pilot and Pentagon lawyer, is drawn into Project Safekeep—an antimissile scheme under congressional investigation. The alleged murderer has his share of secrets, but Falk smells conspiracy in the air. And although she turns to her mentor, law professor Mackenzie Smith for help, she's got to beat a cunning madman and a nuclear blast....
An Alternate Selection of the Literary Guild