Marc Cameron
Marc Otte
Jericho Quinn, a special agent working for a secret agency combatting international terrorism:

National Security (2011)

Act of Terror (2012)

State of Emergency (2013)

Time of Attack (2014)

Day Zero (2015)
Finalist 2016 Thriller Award for Best Paperback

Brute Force (2015)

Field of Fire (2016)

Dead Drop (2017) [ebook]

The Triple Frontier (2018) [ebook]

Continuation of Jack Ryan series created by Tom Clancy:

Tom Clancy Power and Empire (2017)

Tom Clancy Oath of Office (2018)

Arliss Cutter, an ex-military US Marshal skilled in tracking:

Open Carry (due February 26, 2019)