Harford County Sheriff's Office, Maryland
End of Watch Monday, November 29, 2010
Add to My HeroesTeresa Lynn Testerman
Deputy First Class Teresa Testerman suffered a fatal heart attack following a response to unruly inmates in an overcrowded cell block in the Harford County Detention Center.
After quelling the disturbance she participated in a search of the cells for contraband weapons. After returning home following her shift she began to suffer chest pains. The following morning the symptoms intensified and she asked her son to call 911 and then collapsed. She was transported to a local hospital where she passed away a short time later.
Deputy Testerman had served with the Harford County Sheriff's Office for 23 years. She is survived by her son and daughter.
Bio
- Age 54
- Tour 23 years
- Badge 214
Incident Details
- Cause Heart attack
- Incident Date Sunday, November 28, 2010
Most Recent Reflection
View all 12 ReflectionsGod rest her soul.
Sgt. Robert A. Henne
Jersey City PD/Retired
December 19, 2022
Recent LODD Deaths
Deputy Sheriff Tim Jordan
Bossier Parish Sheriff's Office, LA
EOW: January 21, 2026
Agent Aníbal Morales Aponte
Puerto Rico Police Department, PR
EOW: January 13, 2026
Zone Sergeant Steven W. Greene
New York State Police, NY
EOW: October 24, 2025
Sergeant Frederick W. Scheidt, Jr.
New York State Police, NY
EOW: August 13, 2025
Trooper Mark A. Ondus
New York State Police, NY
EOW: October 19, 2025
Police Officer Elijah Garretson
Copperas Cove Police Department, TX
EOW: January 11, 2026
Master Police Officer Donald Richard Gotthardt, Jr.
Fairfax County Police Department, VA
EOW: October 16, 2025
Police Officer Terry L. Bennett
Metropolitan Police Department, DC
EOW: January 7, 2026
Police Officer Stephen LaPorta
Uxbridge Police Department, MA
EOW: January 7, 2026


