“We will renew partnerships and forge new working relationships with law enforcement at all levels of government as well as with community leaders and key stakeholders in California and Nevada,” Riehl said in a statement.
Riehl joined ATF in 1987 and was assigned to the Miami Field.
In 1994, he went to ATF headquarters as both a project officer in the Firearms Enforcement Division, and an explosives training manager in the Office of Training and Professional Development.
In 1997, it was off to Providence, R.I. where he was promoted to resident agent. In 2004, he became assistant agent in charge of the the Baltimore Field Division.
He also had served as ATF’s incident commanders on the high-profile D.C. and the and the Maryland and Washington D.C. serial arsonist investigations.
In 2005, Riehl served as the Chief, of the Arson and Explosives Programs Division at the ATF Headquarters.
In 2011, Riehl became deputy director of the Terrorist Explosive Device Analytical Center at Quantico.