206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Description
See any errors? Let us know!Emile Pierre Benoist: Hackettstown–Mansfield mass murders, August 26, 1977
Overview
On August 26, 1977, 20-year-old Emile (Emil) Pierre Benoist carried out a two-hour ambush shooting along a railroad right-of-way straddling Hackettstown and neighboring Mansfield Township in Warren County, New Jersey. Armed with a .44-caliber semi-automatic rifle fitted with a telescopic sight, he shot people he encountered on foot, bicycles, and motorcycles, killing six before taking his own life as police closed in. Contemporary reports identified him as a former U.S. Marine and the son of a former Hackettstown councilman.The rampage
Witness accounts and police briefings from the night and following day describe Benoist lying in wait along a seldom-used spur line, stepping from cover to fire on passersby, then moving south from Hackettstown into Mansfield Township. He fired at a passing motorist and a responding police car without injuring occupants, concealed some bodies near an abandoned tannery—apparently to avoid early detection—and attempted to use a victim’s motorcycle to chase others before fleeing on foot into cornfields. He died by suicide as officers approached.Weapon and method
Multiple outlets reported that Benoist used a .44-caliber Ruger-type semi-automatic rifle with a scope, selecting targets at random from ambush positions along the tracks. ...Read MoreVictims
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Confirmed Victims: (6)
David J. Galvin 14 yr old Male ...View 5 additional victims ...View 5 additional victims ...View 5 additional victims ...View 5 additional victims ...View 5 additional victims
Links to Additional Sources (6)
See any mistakes? Let us know!Killer's Details
Benoist
Emile Pierre
8/26/1977
5:36 PM
214
9:10 PM
210
Mountain Ave
Hackettstown
NJ
Warren County
7840
40.840175
-74.825526
Railroad tracks
20
3
1
Yes
1 Firearm
NA
08/13/2025
Location:









