A driver who threatened to kill a Douglas County deputy a year after a traffic stop will spend five years in prison, a district attorney spokesman said Tuesday.

Lee Charles Harrison was convicted last week of terroristic threats after he sent a deputy an email threatening to kill him, The Atlanta Journal-Constitution previously reported.

Five years is the maximum a person can serve if convicted of the crime, Douglas County District Attorney spokesman David Emadi said.

Harrison was first arrested during a traffic stop Jan. 8, 2016, for driving without a license and marijuana possession.

A year later — after he received the police report and other documents relating to the arrest — Harrison searched online for the deputy’s current and former addresses, Emadi said. The search led Harrison to names of the deputy’s relatives and his email address, where he sent the threatening letters.

Assistant District Attorney Joe Cusack called Harrison “a menace who put the victim and his family in fear for their safety.”

Harrison, a prior felon, was ordered to have no contact with the deputy or his family.

Know what's really going on with crime and public safety in your metro Atlanta community, including breaking news, trial coverage, trends and the latest on unsolved cases. Sign up for the AJC's crime and safety newsletter delivered weekly to your inbox.

In other news:

Three boys playing in an Oklahoma treehouse met a tragedy on Oct. 21. A 13-year-old allegedly fired an arrow from a crossbow into a 10-year-old's side. The arrow also struck the arm of the victim's 8-year-old brother. The 10-year-old, Austin Almanza, was pronounced dead at the scene. Police said they are investigating the incident as a homicide, not an accident.

CRIME & PUBLIC SAFETY: Want more stories like this one? Go to www.myajc.com/crime/