Vengeance Burns Hot

Ed Kline's son disappeared one year ago. Then a rogue militia group assassinates two senators and Ed isn't sure if his son is involved. But when a mysterious text is sent, Ed Kline is determined to find his son, even if that means putting his life in jeopardy.

In the midst of a ferocious fire season and a budding love affair, a helicopter firefighting pilot tries to help his adult son escape from a deadly anti-government militia.
Synopsis
The morning after helitack pilot Ed Kline's friendship with a female wildland firefighter turns hot, he receives a text from a phone number he's never seen:

Bad thg 1 wk
I leve I die
Cops evry1 dies
Help L 47033012

Could the L mean his adult son Lewis? You're a hero, Lewis wrote to him before disappearing a year ago, but the country you fought for doesn't exist. Then a "bad thg" happens. A group calling itself the PUMAs—Patriots United Militia of America—assassinates two Washington State senators the same day it perpetrates a deadly armored truck robbery. Unnerved, Ed jeopardizes his new relationship, his career, and his sanity while trying to rescue a son who might be one of the killers, trying to escape them, or both.