Captain Chris Allen joined the United States Army with the 101st Airborne Division in 1995 where he served on active duty until the end of 1998. Captain Allen began his career in law enforcement in 2006 as a corrections officer at the Clermont County Jail, he was selected for the road patrol in 2007. From 2008 to 2013 he served as a Batavia Township contract car, in 2013 he was assigned to the investigative unit as a Detective. In 2019 he was promoted to rank of sergeant on the road patrol until 2021 when he was promoted to Captain where he manages the road patrol and the Special Response Team.

Captain Allen was certified by the Ohio Peace Officer training Association in 2003, and received a degree from University of Cincinnati in Applied Sciences with an emphasis in Criminal Justice in 2019. He was a member of the Special Response team from 2012- 2018, where he served as a sniper after completing FBI Sniper School. Captain Allen has attended advanced investigative courses to include, Homicide Investigation at the University of Louisville Southern Police Institute, and CVSA(Certified Voice Stress Analysis) operator.  Captain Allen was the recipient of the Sheriffs commendation award in 2014 and the Sheriffs merit award in 2015, both were awarded for his investigative efforts. Captain Allen was the recipient five other criminal investigative awards during his time as a Detective.