Michael C Grumley

It began in Ethiopia, hundreds of thousands of years ago. When a handful of genetic mutations caused evolution to split from the primates. And mankind was born. Now, eons later, evidence of more splits from the apes are being unearthed. And with them, a disturbing realization. Ours was only one of many. And yet we survived. But it was not by luck or chance. We survived because humans had something the others did not. A unique ingredient that has only...

Outside Denver, Colorado, Joe Rickards stands over a small aircraft wreckage, studying burnt remains still smoldering in a field of freshly fallen snow. he is an investigator for the NTSB, working to carefully roll back the last several hours and identify the cause of the accident. But this time, he can't. The details behind this tragedy don't add up. Unlike every other investigation of Joe's career, the facts make no sense.