Police Officer John Michael Callahan, II

Police Officer John Michael Callahan, II

Maryville Police Department, Tennessee

End of Watch Saturday, February 21, 1981

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John Michael Callahan, II

Police Officer John Callahan was killed when his motorcycle was struck by a vehicle being operated by an intoxicated driver.

He was on patrol and was approaching the intersection of Highway 73 and Merritt Road when the vehicle struck him.

The driver was arrested at the scene. He was convicted of vehicular homicide and sentenced to 10 years in prison and 20 years probation.

Officer Callahan had served with the Maryville Police Department for five years. He was survived by his twin sons.


  • Age 29
  • Tour 5 years
  • Badge Not available

Incident Details

  • Cause Vehicular assault
  • Weapon Automobile; Alcohol involved
  • Offender Convicted of vehicular homicide

Most Recent Reflection

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Officer Callahan,
On today, the 40th anniversary of your death I would just like to say thank you for your service and sacrifice for the citizens of Maryville. And to your Family and loved ones, I wish to extend my deepest sympathy.


United States Border Patrol

February 21, 2021

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