An investigation is still underway into why the 44-year-old, who was a 17-year veteran of the force, wasn't tethered during the drill.

SHARECOMMENTMORE

OLEAN, NY - A New York State Trooper who died after a training exercise in Letchworth State Park went horribly wrong will be laid to rest this week.

Trooper Ross Riley was killed after he fell into the gorge Thursday afternoon.

A wake will be held Sunday and Monday in Olean. Funeral services are scheduled for Tuesday at 1 p.m. at St. Bonaventure University.

An investigation is still underway into why the 44-year-old, who was a 17-year veteran of the force, wasn't tethered during the drill.

Ross is survived by his wife, who is also a state trooper, and their three young daughters.