Trooper Martin Francis Mack, III

Trooper Martin Francis Mack, III

Pennsylvania State Police, Pennsylvania

End of Watch Monday, March 21, 2022

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Martin Francis Mack, III

Trooper Marty Mack and Trooper Branden Sisca were struck and killed by a suspected drunk driver near mile marker 18 on southbound I-95 in Philadelphia, shortly before 1:00 am.

They had stopped a female driver for speeding and had interacted with her for less than one minute when they were notified of a pedestrian walking along the interstate. Due to their short interaction before being dispatched to the higher priority pedestrian call, the troopers had not observed any signs of impairment before giving her a warning. They then responded to the pedestrian call and located the man on the interstate. They were assisting him into the back of their patrol vehicle when an approaching car drove by and attempted to pass the police vehicle on the shoulder. The vehicle fatally struck both troopers and the pedestrian they were assisting.

The driver who struck them was charged with three counts of third-degree murder, three counts of homicide by vehicle while driving under the influence, and two counts of second-degree manslaughter of a law enforcement officer. She was the same driver that had been pulled over by the troopers several minutes earlier.

Trooper Mack was a Pennsylvania National Guard veteran and had served with the Pennsylvania State Police for 7-1/2 years. He was assigned to Troop K and is survived by his wife and two children.

Bio

  • Age 33
  • Tour 7 years, 6 months
  • Badge 12764
  • Military Veteran

Incident Details

  • Cause Vehicular assault
  • Weapon Automobile; Alcohol involved
  • Offender Charged with murder

drunk driver, suspicious person

Most Recent Reflection

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The true measure of a person
is not found in the
might of their arm,
their wealth
or their power –
it is found in the strength
of their character.

There is no greater testimony to
ones character, than ones
willingness to sacrifice all,
in the noble quest of
providing protection to all
whom they serve.

Author Unknown

"Civilian In Peace. Soldier In War"

Javier Cornejo
Police Officer, Retired
City of Milwaukee Police Department
Milwaukee, Wisconsin

June 5, 2022

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