Steven James
Patrick Bowers, an FBI agent specializing in environmental criminology in the US:

The Pawn (2007)

The Rook (2008)

The Knight (2009)

The Bishop (2010)

The Queen (2011)
Finalist 2012 Thriller Award for Best Paperback

Opening Moves (2012) [prequel]

The King (2013)

Checkmate (2014)

Every Crooked Path (2015) [prequel]

Jevin Banks, an investigative film-maker:

Placebo (2012)

Singularity (2013)

Daniel Byers, a 16-year-old who sees visions, in Beldon, Wisconsin, in the Blur YA trilogy:

Blur (2014)

Fury (2015)